57720572572 has 24 divisors (see below), whose sum is σ = 108793036352. Its totient is φ = 26637336000.

The previous prime is 57720572479. The next prime is 57720572573. The reversal of 57720572572 is 27527502775.

It is a super-3 number, since 3×57720572572³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57720572573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458797 + ... + 570907.

Almost surely, 2^57720572572 is an apocalyptic number.

57720572572 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57720572572 is a deficient number, since it is larger than the sum of its proper divisors (51072463780).

57720572572 is a wasteful number, since it uses less digits than its factorization.

57720572572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122029 (or 122027 counting only the distinct ones).

The product of its (nonzero) digits is 2401000, while the sum is 49.

The spelling of 57720572572 in words is "fifty-seven billion, seven hundred twenty million, five hundred seventy-two thousand, five hundred seventy-two".