51670916 has 12 divisors (see below), whose sum is σ = 98644560. Its totient is φ = 23486760.

The previous prime is 51670909. The next prime is 51670963. The reversal of 51670916 is 61907615.

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, 587126 + ... + 587213.

It is an arithmetic number, because the mean of its divisors is an integer number (8220380).

Almost surely, 2^51670916 is an apocalyptic number.

It is an amenable number.

51670916 is a deficient number, since it is larger than the sum of its proper divisors (46973644).

51670916 is a wasteful number, since it uses less digits than its factorization.

51670916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174354 (or 1174352 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 51670916 is about 7188.2484653774. The cubic root of 51670916 is about 372.4620708194.

The spelling of 51670916 in words is "fifty-one million, six hundred seventy thousand, nine hundred sixteen".