50351631 has 16 divisors (see below), whose sum is σ = 73968768. Its totient is φ = 30212000.

The previous prime is 50351629. The next prime is 50351647. The reversal of 50351631 is 13615305.

It is a cyclic number.

It is not a de Polignac number, because 50351631 - 2¹ = 50351629 is a prime.

It is a super-2 number, since 2×50351631² = 5070573488720322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50351621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4221 + ... + 10886.

It is an arithmetic number, because the mean of its divisors is an integer number (4623048).

Almost surely, 2^50351631 is an apocalyptic number.

50351631 is a deficient number, since it is larger than the sum of its proper divisors (23617137).

50351631 is a wasteful number, since it uses less digits than its factorization.

50351631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15222.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 50351631 is about 7095.8883164830. Note that the first 3 decimals coincide. The cubic root of 50351631 is about 369.2647463691.

Adding to 50351631 its reverse (13615305), we get a palindrome (63966936).

It can be divided in two parts, 5035 and 1631, that added together give a palindrome (6666).

The spelling of 50351631 in words is "fifty million, three hundred fifty-one thousand, six hundred thirty-one".