57553971 has 8 divisors (see below), whose sum is σ = 76986624. Its totient is φ = 38245320.

The previous prime is 57553967. The next prime is 57553973. The reversal of 57553971 is 17935575.

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

It is not a de Polignac number, because 57553971 - 2² = 57553967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57553973) 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, 29911 + ... + 31776.

It is an arithmetic number, because the mean of its divisors is an integer number (9623328).

Almost surely, 2^57553971 is an apocalyptic number.

57553971 is a deficient number, since it is larger than the sum of its proper divisors (19432653).

57553971 is a wasteful number, since it uses less digits than its factorization.

57553971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62001.

The product of its digits is 165375, while the sum is 42.

The square root of 57553971 is about 7586.4333517141. The cubic root of 57553971 is about 386.0928548751.

The spelling of 57553971 in words is "fifty-seven million, five hundred fifty-three thousand, nine hundred seventy-one".