57610631 has 4 divisors (see below), whose sum is σ = 62042232. Its totient is φ = 53179032.

The previous prime is 57610621. The next prime is 57610643. The reversal of 57610631 is 13601675.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57610631 - 2¹⁴ = 57594247 is a prime.

It is a super-2 number, since 2×57610631² = 6637969608436322, 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 = 57610594 and 57610603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57610601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2215781 + ... + 2215806.

It is an arithmetic number, because the mean of its divisors is an integer number (15510558).

Almost surely, 2^57610631 is an apocalyptic number.

57610631 is a deficient number, since it is larger than the sum of its proper divisors (4431601).

57610631 is a wasteful number, since it uses less digits than its factorization.

57610631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431600.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 57610631 is about 7590.1667307115. The cubic root of 57610631 is about 386.2195119123.

The spelling of 57610631 in words is "fifty-seven million, six hundred ten thousand, six hundred thirty-one".