57051258 has 24 divisors (see below), whose sum is σ = 125420064. Its totient is φ = 17288040.

The previous prime is 57051257. The next prime is 57051263. The reversal of 57051258 is 85215075.

It is a happy number.

57051258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (57051257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38566 + ... + 40017.

It is an arithmetic number, because the mean of its divisors is an integer number (5225836).

Almost surely, 2^57051258 is an apocalyptic number.

57051258 is an abundant number, since it is smaller than the sum of its proper divisors (68368806).

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

57051258 is a wasteful number, since it uses less digits than its factorization.

57051258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78610 (or 78599 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 57051258 is about 7553.2283164221. The cubic root of 57051258 is about 384.9654390745.

The spelling of 57051258 in words is "fifty-seven million, fifty-one thousand, two hundred fifty-eight".