57245803155 has 24 divisors (see below), whose sum is σ = 99271272048. Its totient is φ = 30517183296.

The previous prime is 57245803151. The next prime is 57245803169. The reversal of 57245803155 is 55130854275.

57245803155 is a `hidden beast` number, since 57 + 2 + 4 + 580 + 3 + 15 + 5 = 666.

It is not a de Polignac number, because 57245803155 - 2² = 57245803151 is a prime.

It is a super-2 number, since 2×57245803155² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 57245803155.

It is not an unprimeable number, because it can be changed into a prime (57245803151) 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 23 ways as a sum of consecutive naturals, for example, 189592 + ... + 387861.

It is an arithmetic number, because the mean of its divisors is an integer number (4136303002).

Almost surely, 2^57245803155 is an apocalyptic number.

57245803155 is a deficient number, since it is larger than the sum of its proper divisors (42025468893).

57245803155 is a wasteful number, since it uses less digits than its factorization.

57245803155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579667 (or 579664 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The spelling of 57245803155 in words is "fifty-seven billion, two hundred forty-five million, eight hundred three thousand, one hundred fifty-five".