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55002530024 = 231397256209
BaseRepresentation
bin110011001110011010…
…000000000011101000
312020222012222000201122
4303032122000003220
51400121121430044
641133503034412
73655004535251
oct631632000350
9166865860648
1055002530024
1121365548992
12a7b029ba08
1352572a6070
14293ac8db28
15166db4adee
hexcce6800e8

55002530024 has 48 divisors (see below), whose sum is σ = 112221578700. Its totient is φ = 25123627008.

The previous prime is 55002530017. The next prime is 55002530041. The reversal of 55002530024 is 42003520055.

It can be written as a sum of positive squares in 6 ways, for example, as 20358153124 + 34644376900 = 142682^2 + 186130^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 55002529975 and 55002530002.

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, 950432 + ... + 1006640.

Almost surely, 255002530024 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 55002530024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56110789350).

55002530024 is an abundant number, since it is smaller than the sum of its proper divisors (57219048676).

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

55002530024 is a wasteful number, since it uses less digits than its factorization.

55002530024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56422 (or 56321 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The spelling of 55002530024 in words is "fifty-five billion, two million, five hundred thirty thousand, twenty-four".

Divisors: 1 2 4 8 13 26 52 97 104 194 388 776 1261 2522 5044 9409 10088 18818 37636 56209 75272 112418 122317 224836 244634 449672 489268 730717 978536 1461434 2922868 5452273 5845736 10904546 21809092 43618184 70879549 141759098 283518196 528870481 567036392 1057740962 2115481924 4230963848 6875316253 13750632506 27501265012 55002530024