51400712 has 16 divisors (see below), whose sum is σ = 105138000. Its totient is φ = 23363920.

The previous prime is 51400709. The next prime is 51400747. The reversal of 51400712 is 21700415.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291962 + ... + 292137.

It is an arithmetic number, because the mean of its divisors is an integer number (6571125).

Almost surely, 2^51400712 is an apocalyptic number.

It is an amenable number.

51400712 is an abundant number, since it is smaller than the sum of its proper divisors (53737288).

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

51400712 is a wasteful number, since it uses less digits than its factorization.

51400712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584116 (or 584112 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 51400712 is about 7169.4289870254. The cubic root of 51400712 is about 371.8116941128.

The spelling of 51400712 in words is "fifty-one million, four hundred thousand, seven hundred twelve".