50388631 has 8 divisors (see below), whose sum is σ = 53398800. Its totient is φ = 47463360.

The previous prime is 50388617. The next prime is 50388659. The reversal of 50388631 is 13688305.

It is a happy number.

50388631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50388631 - 2⁵ = 50388599 is a prime.

It is a super-2 number, since 2×50388631² = 5078028268108322, 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 (50388601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20001 + ... + 22378.

It is an arithmetic number, because the mean of its divisors is an integer number (6674850).

Almost surely, 2^50388631 is an apocalyptic number.

50388631 is a deficient number, since it is larger than the sum of its proper divisors (3010169).

50388631 is a wasteful number, since it uses less digits than its factorization.

50388631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42449.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 50388631 is about 7098.4949813323. The cubic root of 50388631 is about 369.3551734324.

The spelling of 50388631 in words is "fifty million, three hundred eighty-eight thousand, six hundred thirty-one".