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55001456057 = 2910325173361
BaseRepresentation
bin110011001110010101…
…111001110110111001
312020222010221110112002
4303032111321312321
51400120333043212
641133424030345
73654662443202
oct631625716671
9166863843462
1055001456057
1121364985009
12a7aba623b5
135256cbb292
14293aa905a9
15166d9d7ac2
hexcce579db9

55001456057 has 16 divisors (see below), whose sum is σ = 57680138880. Its totient is φ = 52379040000.

The previous prime is 55001456051. The next prime is 55001456087. The reversal of 55001456057 is 75065410055.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55001456057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55001456057.

It is not an unprimeable number, because it can be changed into a prime (55001456051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713057 + ... + 786417.

It is an arithmetic number, because the mean of its divisors is an integer number (3605008680).

Almost surely, 255001456057 is an apocalyptic number.

It is an amenable number.

55001456057 is a deficient number, since it is larger than the sum of its proper divisors (2678682823).

55001456057 is a wasteful number, since it uses less digits than its factorization.

55001456057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73744.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 55001456057 in words is "fifty-five billion, one million, four hundred fifty-six thousand, fifty-seven".

Divisors: 1 29 103 251 2987 7279 25853 73361 749737 2127469 7556183 18413611 219129307 533994719 1896601933 55001456057