51356312 has 24 divisors (see below), whose sum is σ = 112015260. Its totient is φ = 22009680.

The previous prime is 51356287. The next prime is 51356339. The reversal of 51356312 is 21365315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65114 + ... + 65897.

Almost surely, 2^51356312 is an apocalyptic number.

It is an amenable number.

51356312 is an abundant number, since it is smaller than the sum of its proper divisors (60658948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51356312 is a wasteful number, since it uses less digits than its factorization.

51356312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131031 (or 131020 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 51356312 is about 7166.3318371396. The cubic root of 51356312 is about 371.7046061355.

The spelling of 51356312 in words is "fifty-one million, three hundred fifty-six thousand, three hundred twelve".