51331156 has 12 divisors (see below), whose sum is σ = 89881792. Its totient is φ = 25650648.

The previous prime is 51331151. The next prime is 51331157. The reversal of 51331156 is 65113315.

It is a super-3 number, since 3×51331156³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51331156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51331151) 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, 8341 + ... + 13123.

Almost surely, 2^51331156 is an apocalyptic number.

It is an amenable number.

51331156 is a deficient number, since it is larger than the sum of its proper divisors (38550636).

51331156 is a wasteful number, since it uses less digits than its factorization.

51331156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7470 (or 7468 counting only the distinct ones).

The product of its digits is 1350, while the sum is 25.

The square root of 51331156 is about 7164.5764703854. The cubic root of 51331156 is about 371.6439052021.

The spelling of 51331156 in words is "fifty-one million, three hundred thirty-one thousand, one hundred fifty-six".