51321179 has 12 divisors (see below), whose sum is σ = 64293264. Its totient is φ = 40605264.

The previous prime is 51321173. The next prime is 51321197. The reversal of 51321179 is 97112315.

It is not a de Polignac number, because 51321179 - 2¹² = 51317083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51321173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39647 + ... + 40920.

It is an arithmetic number, because the mean of its divisors is an integer number (5357772).

Almost surely, 2^51321179 is an apocalyptic number.

51321179 is a deficient number, since it is larger than the sum of its proper divisors (12972085).

51321179 is a wasteful number, since it uses less digits than its factorization.

51321179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80594 (or 80587 counting only the distinct ones).

The product of its digits is 1890, while the sum is 29.

The square root of 51321179 is about 7163.8801637102. The cubic root of 51321179 is about 371.6198254047.

The spelling of 51321179 in words is "fifty-one million, three hundred twenty-one thousand, one hundred seventy-nine".