51108746 has 32 divisors (see below), whose sum is σ = 87447360. Its totient is φ = 22208256.

The previous prime is 51108731. The next prime is 51108751. The reversal of 51108746 is 64780115.

It is a happy number.

It is a super-2 number, since 2×51108746² = 5224207835385032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151490 + ... + 151826.

It is an arithmetic number, because the mean of its divisors is an integer number (2732730).

Almost surely, 2^51108746 is an apocalyptic number.

51108746 is a deficient number, since it is larger than the sum of its proper divisors (36338614).

51108746 is a wasteful number, since it uses less digits than its factorization.

51108746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 51108746 is about 7149.0381171176. The cubic root of 51108746 is about 371.1063694824.

The spelling of 51108746 in words is "fifty-one million, one hundred eight thousand, seven hundred forty-six".