51064516 has 24 divisors (see below), whose sum is σ = 92461824. Its totient is φ = 24659520.

The previous prime is 51064511. The next prime is 51064523. The reversal of 51064516 is 61546015.

It is not an unprimeable number, because it can be changed into a prime (51064511) 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, 15381 + ... + 18403.

It is an arithmetic number, because the mean of its divisors is an integer number (3852576).

Almost surely, 2^51064516 is an apocalyptic number.

It is an amenable number.

51064516 is a deficient number, since it is larger than the sum of its proper divisors (41397308).

51064516 is a wasteful number, since it uses less digits than its factorization.

51064516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 51064516 is about 7145.9440244099. The cubic root of 51064516 is about 370.9992855797. Note that the first 3 decimals are identical.

The spelling of 51064516 in words is "fifty-one million, sixty-four thousand, five hundred sixteen".