50645538 has 12 divisors (see below), whose sum is σ = 109732038. Its totient is φ = 16881840.

The previous prime is 50645527. The next prime is 50645549. The reversal of 50645538 is 83554605.

50645538 is a `hidden beast` number, since 5 + 0 + 645 + 5 + 3 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (50645527) and next prime (50645549).

It can be written as a sum of positive squares in only one way, i.e., 37051569 + 13593969 = 6087^2 + 3687^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1406803 + ... + 1406838.

Almost surely, 2^50645538 is an apocalyptic number.

50645538 is an abundant number, since it is smaller than the sum of its proper divisors (59086500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50645538 is a wasteful number, since it uses less digits than its factorization.

50645538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813649 (or 2813646 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 50645538 is about 7116.5678525536. The cubic root of 50645538 is about 369.9818301279.

The spelling of 50645538 in words is "fifty million, six hundred forty-five thousand, five hundred thirty-eight".