51331796 has 12 divisors (see below), whose sum is σ = 89925780. Its totient is φ = 25638720.

The previous prime is 51331783. The next prime is 51331799. The reversal of 51331796 is 69713315.

It can be written as a sum of positive squares in 2 ways, for example, as 43692100 + 7639696 = 6610^2 + 2764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51331799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2201 + ... + 10368.

It is an arithmetic number, because the mean of its divisors is an integer number (7493815).

Almost surely, 2^51331796 is an apocalyptic number.

It is an amenable number.

51331796 is a deficient number, since it is larger than the sum of its proper divisors (38593984).

51331796 is a wasteful number, since it uses less digits than its factorization.

51331796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13594 (or 13592 counting only the distinct ones).

The product of its digits is 17010, while the sum is 35.

The square root of 51331796 is about 7164.6211344355. The cubic root of 51331796 is about 371.6454497553.

The spelling of 51331796 in words is "fifty-one million, three hundred thirty-one thousand, seven hundred ninety-six".