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55371327752 = 231319157117837
BaseRepresentation
bin110011100100011000…
…110110100100001000
312021220220220220002202
4303210120312210020
51401400024442002
641234235415332
74000103343266
oct634430664410
9167826826082
1055371327752
11215347420a4
12a8938b4548
1352b5811380
142973c51436
1516911e9502
hexce4636908

55371327752 has 64 divisors (see below), whose sum is σ = 117773611200. Its totient is φ = 24194177280.

The previous prime is 55371327743. The next prime is 55371327769. The reversal of 55371327752 is 25772317355.

It is a junction number, because it is equal to n+sod(n) for n = 55371327697 and 55371327706.

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, 3095378 + ... + 3113214.

It is an arithmetic number, because the mean of its divisors is an integer number (1840212675).

Almost surely, 255371327752 is an apocalyptic number.

55371327752 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55371327752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58886805600).

55371327752 is an abundant number, since it is smaller than the sum of its proper divisors (62402283448).

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

55371327752 is a wasteful number, since it uses less digits than its factorization.

55371327752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19446 (or 19442 counting only the distinct ones).

The product of its digits is 1543500, while the sum is 47.

The spelling of 55371327752 in words is "fifty-five billion, three hundred seventy-one million, three hundred twenty-seven thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1571 1976 3142 6284 12568 17837 20423 29849 35674 40846 59698 71348 81692 119396 142696 163384 231881 238792 338903 388037 463762 677806 776074 927524 1355612 1552148 1855048 2711224 3104296 4405739 8811478 17622956 28021927 35245912 56043854 112087708 224175416 364285051 532416613 728570102 1064833226 1457140204 2129666452 2914280408 4259332904 6921415969 13842831938 27685663876 55371327752