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55926144 = 2732431129
BaseRepresentation
bin1101010101010…
…1110110000000
310220020100020200
43111111312000
5103304114034
65314405200
71246235661
oct325256600
9126210220
1055926144
112962915a
1216890800
13b7818c1
1475db368
154d9aa99
hex3555d80

55926144 has 96 divisors (see below), whose sum is σ = 164821800. Its totient is φ = 18192384.

The previous prime is 55926131. The next prime is 55926163. The reversal of 55926144 is 44162955.

55926144 is a `hidden beast` number, since 5 + 592 + 61 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 55926099 and 55926108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48972 + ... + 50100.

Almost surely, 255926144 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 55926144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82410900).

55926144 is an abundant number, since it is smaller than the sum of its proper divisors (108895656).

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

55926144 is a wasteful number, since it uses less digits than its factorization.

55926144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1177 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 55926144 is about 7478.3784338585. The cubic root of 55926144 is about 382.4179703628.

The spelling of 55926144 in words is "fifty-five million, nine hundred twenty-six thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 64 72 86 96 128 129 144 172 192 258 288 344 384 387 516 576 688 774 1032 1129 1152 1376 1548 2064 2258 2752 3096 3387 4128 4516 5504 6192 6774 8256 9032 10161 12384 13548 16512 18064 20322 24768 27096 36128 40644 48547 49536 54192 72256 81288 97094 108384 144512 145641 162576 194188 216768 291282 325152 388376 433536 436923 582564 650304 776752 873846 1165128 1300608 1553504 1747692 2330256 3107008 3495384 4660512 6214016 6990768 9321024 13981536 18642048 27963072 55926144