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55260172448 = 2513317160353
BaseRepresentation
bin110011011101110000…
…110101000010100000
312021122011202121200122
4303131300311002200
51401133101004243
641215225135412
73664253500325
oct633560650240
9167564677618
1055260172448
1121487a21508
12a86262a568
1352987931c0
142963198b4c
15168658e668
hexcddc350a0

55260172448 has 96 divisors (see below), whose sum is σ = 122647053312. Its totient is φ = 24333926400.

The previous prime is 55260172411. The next prime is 55260172453. The reversal of 55260172448 is 84427106255.

It is a junction number, because it is equal to n+sod(n) for n = 55260172399 and 55260172408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885440 + ... + 945792.

It is an arithmetic number, because the mean of its divisors is an integer number (1277573472).

Almost surely, 255260172448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55260172448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61323526656).

55260172448 is an abundant number, since it is smaller than the sum of its proper divisors (67386880864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55260172448 is a wasteful number, since it uses less digits than its factorization.

55260172448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60478 (or 60470 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 55260172448 in words is "fifty-five billion, two hundred sixty million, one hundred seventy-two thousand, four hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 31 32 52 62 71 104 124 142 208 248 284 403 416 496 568 806 923 992 1136 1612 1846 2201 2272 3224 3692 4402 6448 7384 8804 12896 14768 17608 28613 29536 35216 57226 60353 70432 114452 120706 228904 241412 457808 482824 784589 915616 965648 1569178 1870943 1931296 3138356 3741886 4285063 6276712 7483772 8570126 12553424 14967544 17140252 24322259 25106848 29935088 34280504 48644518 55705819 59870176 68561008 97289036 111411638 132836953 137122016 194578072 222823276 265673906 389156144 445646552 531347812 778312288 891293104 1062695624 1726880389 1782586208 2125391248 3453760778 4250782496 6907521556 13815043112 27630086224 55260172448