50566631 has 4 divisors (see below), whose sum is σ = 50582064. Its totient is φ = 50551200.

The previous prime is 50566613. The next prime is 50566639. The reversal of 50566631 is 13666505.

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 50566631 - 2²² = 46372327 is a prime.

It is a super-2 number, since 2×50566631² = 5113968341380322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50566639) 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, 635 + ... + 10076.

It is an arithmetic number, because the mean of its divisors is an integer number (12645516).

Almost surely, 2^50566631 is an apocalyptic number.

50566631 is a deficient number, since it is larger than the sum of its proper divisors (15433).

50566631 is a wasteful number, since it uses less digits than its factorization.

50566631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15432.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 50566631 is about 7111.0217971822. The cubic root of 50566631 is about 369.7895833062.

The spelling of 50566631 in words is "fifty million, five hundred sixty-six thousand, six hundred thirty-one".