50644631 has 2 divisors, whose sum is σ = 50644632. Its totient is φ = 50644630.

The previous prime is 50644619. The next prime is 50644637. The reversal of 50644631 is 13644605.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50644631 is a prime.

It is a super-2 number, since 2×50644631² = 5129757298252322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50644594 and 50644603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50644637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25322315 + 25322316.

It is an arithmetic number, because the mean of its divisors is an integer number (25322316).

Almost surely, 2^50644631 is an apocalyptic number.

50644631 is a deficient number, since it is larger than the sum of its proper divisors (1).

50644631 is an equidigital number, since it uses as much as digits as its factorization.

50644631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 50644631 is about 7116.5041277301. The cubic root of 50644631 is about 369.9796214732.

The spelling of 50644631 in words is "fifty million, six hundred forty-four thousand, six hundred thirty-one".