57055349 has 16 divisors (see below), whose sum is σ = 65318400. Its totient is φ = 49370880.

The previous prime is 57055333. The next prime is 57055351. The reversal of 57055349 is 94355075.

It is a happy number.

It is not a de Polignac number, because 57055349 - 2⁴ = 57055333 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57055549) 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, 94952 + ... + 95550.

It is an arithmetic number, because the mean of its divisors is an integer number (4082400).

Almost surely, 2^57055349 is an apocalyptic number.

It is an amenable number.

57055349 is a deficient number, since it is larger than the sum of its proper divisors (8263051).

57055349 is a wasteful number, since it uses less digits than its factorization.

57055349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 57055349 is about 7553.4991229231. The cubic root of 57055349 is about 384.9746404840.

The spelling of 57055349 in words is "fifty-seven million, fifty-five thousand, three hundred forty-nine".