51379796 has 24 divisors (see below), whose sum is σ = 98478240. Its totient is φ = 23310432.

The previous prime is 51379787. The next prime is 51379813. The reversal of 51379796 is 69797315.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 51379796.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5306 + ... + 11441.

It is an arithmetic number, because the mean of its divisors is an integer number (4103260).

Almost surely, 2^51379796 is an apocalyptic number.

It is an amenable number.

51379796 is a deficient number, since it is larger than the sum of its proper divisors (47098444).

51379796 is a wasteful number, since it uses less digits than its factorization.

51379796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16823 (or 16821 counting only the distinct ones).

The product of its digits is 357210, while the sum is 47.

The square root of 51379796 is about 7167.9701450271. The cubic root of 51379796 is about 371.7612546787.

The spelling of 51379796 in words is "fifty-one million, three hundred seventy-nine thousand, seven hundred ninety-six".