57109525242 has 64 divisors (see below), whose sum is σ = 145714719744. Its totient is φ = 14488669440.

The previous prime is 57109525241. The next prime is 57109525243. The reversal of 57109525242 is 24252590175.

It is an interprime number because it is at equal distance from previous prime (57109525241) and next prime (57109525243).

It is a super-2 number, since 2×57109525242² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 57109525194 and 57109525203.

It is not an unprimeable number, because it can be changed into a prime (57109525241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1417503 + ... + 1457234.

It is an arithmetic number, because the mean of its divisors is an integer number (2276792496).

Almost surely, 2^57109525242 is an apocalyptic number.

57109525242 is an abundant number, since it is smaller than the sum of its proper divisors (88605194502).

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

57109525242 is a wasteful number, since it uses less digits than its factorization.

57109525242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874803.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 57109525242 in words is "fifty-seven billion, one hundred nine million, five hundred twenty-five thousand, two hundred forty-two".