51775012 has 12 divisors (see below), whose sum is σ = 92534400. Its totient is φ = 25336616.

The previous prime is 51774997. The next prime is 51775027. The reversal of 51775012 is 21057715.

It is an interprime number because it is at equal distance from previous prime (51774997) and next prime (51775027).

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, 137512 + ... + 137887.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^51775012 is an apocalyptic number.

It is an amenable number.

51775012 is a deficient number, since it is larger than the sum of its proper divisors (40759388).

51775012 is a wasteful number, since it uses less digits than its factorization.

51775012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275450 (or 275448 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 51775012 is about 7195.4855291356. The cubic root of 51775012 is about 372.7120231931.

The spelling of 51775012 in words is "fifty-one million, seven hundred seventy-five thousand, twelve".