57485881 has 4 divisors (see below), whose sum is σ = 57539664. Its totient is φ = 57432100.

The previous prime is 57485863. The next prime is 57485899. The reversal of 57485881 is 18858475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (57485863) and next prime (57485899).

It is a cyclic number.

It is not a de Polignac number, because 57485881 - 2⁹ = 57485369 is a prime.

It is a super-2 number, since 2×57485881² = 6609253028692322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57485861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25255 + ... + 27436.

It is an arithmetic number, because the mean of its divisors is an integer number (14384916).

Almost surely, 2^57485881 is an apocalyptic number.

It is an amenable number.

57485881 is a deficient number, since it is larger than the sum of its proper divisors (53783).

57485881 is a wasteful number, since it uses less digits than its factorization.

57485881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53782.

The product of its digits is 358400, while the sum is 46.

The square root of 57485881 is about 7581.9444076042. The cubic root of 57485881 is about 385.9405373427.

The spelling of 57485881 in words is "fifty-seven million, four hundred eighty-five thousand, eight hundred eighty-one".