50979646 has 8 divisors (see below), whose sum is σ = 78334704. Its totient is φ = 24868080.

The previous prime is 50979637. The next prime is 50979659. The reversal of 50979646 is 64697905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 50979596 and 50979605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310770 + ... + 310933.

It is an arithmetic number, because the mean of its divisors is an integer number (9791838).

Almost surely, 2^50979646 is an apocalyptic number.

50979646 is a deficient number, since it is larger than the sum of its proper divisors (27355058).

50979646 is a wasteful number, since it uses less digits than its factorization.

50979646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621746.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 50979646 is about 7140.0032212878. The cubic root of 50979646 is about 370.7936361271.

Subtracting from 50979646 its sum of digits (46), we obtain a square (50979600 = 7140²).

The spelling of 50979646 in words is "fifty million, nine hundred seventy-nine thousand, six hundred forty-six".