57109895 has 16 divisors (see below), whose sum is σ = 69705792. Its totient is φ = 44912640.

The previous prime is 57109889. The next prime is 57109933. The reversal of 57109895 is 59890175.

It is a happy number.

It is not a de Polignac number, because 57109895 - 2⁴ = 57109879 is a prime.

It is a super-2 number, since 2×57109895² = 6523080213822050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88775 + ... + 89415.

It is an arithmetic number, because the mean of its divisors is an integer number (4356612).

Almost surely, 2^57109895 is an apocalyptic number.

57109895 is a deficient number, since it is larger than the sum of its proper divisors (12595897).

57109895 is a wasteful number, since it uses less digits than its factorization.

57109895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 57109895 is about 7557.1089048657. The cubic root of 57109895 is about 385.0972824384.

The spelling of 57109895 in words is "fifty-seven million, one hundred nine thousand, eight hundred ninety-five".