50613631 has 2 divisors, whose sum is σ = 50613632. Its totient is φ = 50613630.

The previous prime is 50613599. The next prime is 50613637. The reversal of 50613631 is 13631605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50613631 - 2⁵ = 50613599 is a prime.

It is a super-2 number, since 2×50613631² = 5123479286008322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50613596 and 50613605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50613637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25306815 + 25306816.

It is an arithmetic number, because the mean of its divisors is an integer number (25306816).

Almost surely, 2^50613631 is an apocalyptic number.

50613631 is a deficient number, since it is larger than the sum of its proper divisors (1).

50613631 is an equidigital number, since it uses as much as digits as its factorization.

50613631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 50613631 is about 7114.3257586366. The cubic root of 50613631 is about 369.9041168639.

The spelling of 50613631 in words is "fifty million, six hundred thirteen thousand, six hundred thirty-one".