57219294 has 32 divisors (see below), whose sum is σ = 125112960. Its totient is φ = 17301600.

The previous prime is 57219293. The next prime is 57219299. The reversal of 57219294 is 49291275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57219293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52992 + ... + 54060.

It is an arithmetic number, because the mean of its divisors is an integer number (3909780).

Almost surely, 2^57219294 is an apocalyptic number.

57219294 is an abundant number, since it is smaller than the sum of its proper divisors (67893666).

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

57219294 is a wasteful number, since it uses less digits than its factorization.

57219294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896.

The product of its digits is 45360, while the sum is 39.

The square root of 57219294 is about 7564.3435934653. The cubic root of 57219294 is about 385.3430214383.

The spelling of 57219294 in words is "fifty-seven million, two hundred nineteen thousand, two hundred ninety-four".