51979204 has 12 divisors (see below), whose sum is σ = 91986300. Its totient is φ = 25697408.

The previous prime is 51979201. The next prime is 51979211. The reversal of 51979204 is 40297915.

It can be written as a sum of positive squares in 2 ways, for example, as 15618304 + 36360900 = 3952^2 + 6030^2 .

It is not an unprimeable number, because it can be changed into a prime (51979201) 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, 72649 + ... + 73360.

It is an arithmetic number, because the mean of its divisors is an integer number (7665525).

Almost surely, 2^51979204 is an apocalyptic number.

It is an amenable number.

51979204 is a deficient number, since it is larger than the sum of its proper divisors (40007096).

51979204 is a wasteful number, since it uses less digits than its factorization.

51979204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146102 (or 146100 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 51979204 is about 7209.6604635725. The cubic root of 51979204 is about 373.2013518023.

The spelling of 51979204 in words is "fifty-one million, nine hundred seventy-nine thousand, two hundred four".