50644979 has 32 divisors (see below), whose sum is σ = 66662400. Its totient is φ = 38102400.

The previous prime is 50644973. The next prime is 50644981. The reversal of 50644979 is 97944605.

It is a de Polignac number, because none of the positive numbers 2^k-50644979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50644973) 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, 116747 + ... + 117179.

It is an arithmetic number, because the mean of its divisors is an integer number (2083200).

Almost surely, 2^50644979 is an apocalyptic number.

50644979 is a deficient number, since it is larger than the sum of its proper divisors (16017421).

50644979 is a wasteful number, since it uses less digits than its factorization.

50644979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 50644979 is about 7116.5285778953. The cubic root of 50644979 is about 369.9804688984.

The spelling of 50644979 in words is "fifty million, six hundred forty-four thousand, nine hundred seventy-nine".