50679639 has 6 divisors (see below), whose sum is σ = 73203936. Its totient is φ = 33786420.

The previous prime is 50679623. The next prime is 50679647. The reversal of 50679639 is 93697605.

50679639 is a `hidden beast` number, since 5 + 0 + 6 + 7 + 9 + 639 = 666.

It is not a de Polignac number, because 50679639 - 2⁴ = 50679623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50679594 and 50679603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50679689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2815527 + ... + 2815544.

It is an arithmetic number, because the mean of its divisors is an integer number (12200656).

Almost surely, 2^50679639 is an apocalyptic number.

50679639 is a deficient number, since it is larger than the sum of its proper divisors (22524297).

50679639 is a wasteful number, since it uses less digits than its factorization.

50679639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631077 (or 5631074 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 50679639 is about 7118.9633374530. The cubic root of 50679639 is about 370.0648510627.

It can be divided in two parts, 5067 and 9639, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 50679639 in words is "fifty million, six hundred seventy-nine thousand, six hundred thirty-nine".