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55023552040 = 23512791075519
BaseRepresentation
bin110011001111101010…
…001100011000101000
312021000200112001111211
4303033222030120220
51400142012131130
641135533402504
73655351322032
oct631752143050
9167020461454
1055023552040
11213763a7056
12a7b7339434
13525b756722
14293d9a2c52
1516708eea2a
hexccfa8c628

55023552040 has 32 divisors (see below), whose sum is σ = 123899904000. Its totient is φ = 21992192064.

The previous prime is 55023552011. The next prime is 55023552047. The reversal of 55023552040 is 4025532055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55023551993 and 55023552011.

It is not an unprimeable number, because it can be changed into a prime (55023552047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486600 + ... + 588919.

It is an arithmetic number, because the mean of its divisors is an integer number (3871872000).

Almost surely, 255023552040 is an apocalyptic number.

It is an amenable number.

55023552040 is an abundant number, since it is smaller than the sum of its proper divisors (68876351960).

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

55023552040 is a wasteful number, since it uses less digits than its factorization.

55023552040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076809 (or 1076805 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The spelling of 55023552040 in words is "fifty-five billion, twenty-three million, five hundred fifty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1279 2558 5116 6395 10232 12790 25580 51160 1075519 2151038 4302076 5377595 8604152 10755190 21510380 43020760 1375588801 2751177602 5502355204 6877944005 11004710408 13755888010 27511776020 55023552040