57263895 has 64 divisors (see below), whose sum is σ = 111498240. Its totient is φ = 27713664.

The previous prime is 57263887. The next prime is 57263909. The reversal of 57263895 is 59836275.

It is a happy number.

57263895 is a `hidden beast` number, since 5 + 7 + 2 + 638 + 9 + 5 = 666.

It is not a de Polignac number, because 57263895 - 2³ = 57263887 is a prime.

It is a super-3 number, since 3×57263895³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 57263895.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117342 + ... + 117828.

It is an arithmetic number, because the mean of its divisors is an integer number (1742160).

Almost surely, 2^57263895 is an apocalyptic number.

57263895 is a deficient number, since it is larger than the sum of its proper divisors (54234345).

57263895 is a wasteful number, since it uses less digits than its factorization.

57263895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 575 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 57263895 is about 7567.2911269489. The cubic root of 57263895 is about 385.4431171653.

The spelling of 57263895 in words is "fifty-seven million, two hundred sixty-three thousand, eight hundred ninety-five".