57055326 has 16 divisors (see below), whose sum is σ = 114194064. Its totient is φ = 19004544.

The previous prime is 57055307. The next prime is 57055331. The reversal of 57055326 is 62355075.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8700 + ... + 13776.

It is an arithmetic number, because the mean of its divisors is an integer number (7137129).

Almost surely, 2^57055326 is an apocalyptic number.

57055326 is an abundant number, since it is smaller than the sum of its proper divisors (57138738).

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

57055326 is a wasteful number, since it uses less digits than its factorization.

57055326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 57055326 is about 7553.4976004497. The cubic root of 57055326 is about 384.9745887540.

The spelling of 57055326 in words is "fifty-seven million, fifty-five thousand, three hundred twenty-six".