50979651 has 16 divisors (see below), whose sum is σ = 74455200. Its totient is φ = 30883328.

The previous prime is 50979637. The next prime is 50979659. The reversal of 50979651 is 15697905.

It is a cyclic number.

It is not a de Polignac number, because 50979651 - 2²¹ = 48882499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50979659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15756 + ... + 18713.

It is an arithmetic number, because the mean of its divisors is an integer number (4653450).

Almost surely, 2^50979651 is an apocalyptic number.

50979651 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

50979651 is a deficient number, since it is larger than the sum of its proper divisors (23475549).

50979651 is a wasteful number, since it uses less digits than its factorization.

50979651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34518.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 50979651 is about 7140.0035714277. The cubic root of 50979651 is about 370.7936482494.

The spelling of 50979651 in words is "fifty million, nine hundred seventy-nine thousand, six hundred fifty-one".