51415692 has 12 divisors (see below), whose sum is σ = 119969976. Its totient is φ = 17138560.

The previous prime is 51415673. The next prime is 51415703. The reversal of 51415692 is 29651415.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2142309 + ... + 2142332.

It is an arithmetic number, because the mean of its divisors is an integer number (9997498).

Almost surely, 2^51415692 is an apocalyptic number.

It is an amenable number.

51415692 is an abundant number, since it is smaller than the sum of its proper divisors (68554284).

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

51415692 is a wasteful number, since it uses less digits than its factorization.

51415692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284648 (or 4284646 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 51415692 is about 7170.4736245244. The cubic root of 51415692 is about 371.8478103323.

The spelling of 51415692 in words is "fifty-one million, four hundred fifteen thousand, six hundred ninety-two".