57549920507 has 8 divisors (see below), whose sum is σ = 57697854720. Its totient is φ = 57402063720.

The previous prime is 57549920503. The next prime is 57549920513. The reversal of 57549920507 is 70502994575.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57549920507 - 2² = 57549920503 is a prime.

It is a super-4 number, since 4×57549920507⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57549920503) 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, 1652282 + ... + 1686752.

It is an arithmetic number, because the mean of its divisors is an integer number (7212231840).

Almost surely, 2^57549920507 is an apocalyptic number.

57549920507 is a deficient number, since it is larger than the sum of its proper divisors (147934213).

57549920507 is a wasteful number, since it uses less digits than its factorization.

57549920507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38713.

The product of its (nonzero) digits is 3969000, while the sum is 53.

The spelling of 57549920507 in words is "fifty-seven billion, five hundred forty-nine million, nine hundred twenty thousand, five hundred seven".