50723631 has 32 divisors (see below), whose sum is σ = 90938880. Its totient is φ = 27278208.

The previous prime is 50723627. The next prime is 50723641. The reversal of 50723631 is 13632705.

It is a happy number.

50723631 is a `hidden beast` number, since 5 + 0 + 7 + 23 + 631 = 666.

It is not a de Polignac number, because 50723631 - 2² = 50723627 is a prime.

It is a super-2 number, since 2×50723631² = 5145773483648322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50723595 and 50723604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50723611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4681 + ... + 11106.

It is an arithmetic number, because the mean of its divisors is an integer number (2841840).

Almost surely, 2^50723631 is an apocalyptic number.

50723631 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

50723631 is a deficient number, since it is larger than the sum of its proper divisors (40215249).

50723631 is a wasteful number, since it uses less digits than its factorization.

50723631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15820 (or 15814 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 50723631 is about 7122.0524429409. The cubic root of 50723631 is about 370.1718972386.

The spelling of 50723631 in words is "fifty million, seven hundred twenty-three thousand, six hundred thirty-one".