57063631 has 6 divisors (see below), whose sum is σ = 60225432. Its totient is φ = 54059940.

The previous prime is 57063613. The next prime is 57063641. The reversal of 57063631 is 13636075.

It is not a de Polignac number, because 57063631 - 2⁵ = 57063599 is a prime.

It is a super-2 number, since 2×57063631² = 6512515965808322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57063593 and 57063602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57063641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78675 + ... + 79396.

It is an arithmetic number, because the mean of its divisors is an integer number (10037572).

Almost surely, 2^57063631 is an apocalyptic number.

57063631 is a deficient number, since it is larger than the sum of its proper divisors (3161801).

57063631 is a wasteful number, since it uses less digits than its factorization.

57063631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158109 (or 158090 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 57063631 is about 7554.0473257718. The cubic root of 57063631 is about 384.9932668750.

The spelling of 57063631 in words is "fifty-seven million, sixty-three thousand, six hundred thirty-one".