57020599698 has 64 divisors (see below), whose sum is σ = 117042444288. Its totient is φ = 18513815040.

The previous prime is 57020599687. The next prime is 57020599717. The reversal of 57020599698 is 89699502075.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 39957661 + ... + 39959087.

It is an arithmetic number, because the mean of its divisors is an integer number (1828788192).

Almost surely, 2^57020599698 is an apocalyptic number.

57020599698 is an abundant number, since it is smaller than the sum of its proper divisors (60021844590).

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

57020599698 is a wasteful number, since it uses less digits than its factorization.

57020599698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567.

The product of its (nonzero) digits is 12247200, while the sum is 60.

It can be divided in two parts, 570205 and 99698, that added together give a triangular number (669903 = T₁₁₅₇).

The spelling of 57020599698 in words is "fifty-seven billion, twenty million, five hundred ninety-nine thousand, six hundred ninety-eight".