51165674 has 16 divisors (see below), whose sum is σ = 87815616. Its totient is φ = 21902400.

The previous prime is 51165661. The next prime is 51165679. The reversal of 51165674 is 47656115.

It is not an unprimeable number, because it can be changed into a prime (51165679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14834 + ... + 17954.

It is an arithmetic number, because the mean of its divisors is an integer number (5488476).

Almost surely, 2^51165674 is an apocalyptic number.

51165674 is a deficient number, since it is larger than the sum of its proper divisors (36649942).

51165674 is a wasteful number, since it uses less digits than its factorization.

51165674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301.

The product of its digits is 25200, while the sum is 35.

The square root of 51165674 is about 7153.0185236724. The cubic root of 51165674 is about 371.2441052320.

The spelling of 51165674 in words is "fifty-one million, one hundred sixty-five thousand, six hundred seventy-four".