50979971 has 4 divisors (see below), whose sum is σ = 58262832. Its totient is φ = 43697112.

The previous prime is 50979967. The next prime is 50979977. The reversal of 50979971 is 17997905.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17997905 = 5 ⋅3599581.

It is a cyclic number.

It is not a de Polignac number, because 50979971 - 2² = 50979967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50979977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3641420 + ... + 3641433.

It is an arithmetic number, because the mean of its divisors is an integer number (14565708).

Almost surely, 2^50979971 is an apocalyptic number.

50979971 is a deficient number, since it is larger than the sum of its proper divisors (7282861).

50979971 is an equidigital number, since it uses as much as digits as its factorization.

50979971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282860.

The product of its (nonzero) digits is 178605, while the sum is 47.

The square root of 50979971 is about 7140.0259803449. The cubic root of 50979971 is about 370.7944240735.

The spelling of 50979971 in words is "fifty million, nine hundred seventy-nine thousand, nine hundred seventy-one".