51941979 has 28 divisors (see below), whose sum is σ = 79736536. Its totient is φ = 33802272.

The previous prime is 51941971. The next prime is 51941983. The reversal of 51941979 is 97914915.

51941979 is a `hidden beast` number, since 519 + 41 + 97 + 9 = 666.

It is not a de Polignac number, because 51941979 - 2³ = 51941971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51941971) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 30519 + ... + 32175.

Almost surely, 2^51941979 is an apocalyptic number.

51941979 is a deficient number, since it is larger than the sum of its proper divisors (27794557).

51941979 is an equidigital number, since it uses as much as digits as its factorization.

51941979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1703 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 51941979 is about 7207.0783955775. The cubic root of 51941979 is about 373.1122409212.

The spelling of 51941979 in words is "fifty-one million, nine hundred forty-one thousand, nine hundred seventy-nine".