51064874 has 32 divisors (see below), whose sum is σ = 91370496. Its totient is φ = 20943360.

The previous prime is 51064861. The next prime is 51064903. The reversal of 51064874 is 47846015.

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, 41492 + ... + 42704.

It is an arithmetic number, because the mean of its divisors is an integer number (2855328).

Almost surely, 2^51064874 is an apocalyptic number.

51064874 is a deficient number, since it is larger than the sum of its proper divisors (40305622).

51064874 is a wasteful number, since it uses less digits than its factorization.

51064874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 51064874 is about 7145.9690735407. The cubic root of 51064874 is about 371.0001525708. Note that the first 3 decimals are identical.

The spelling of 51064874 in words is "fifty-one million, sixty-four thousand, eight hundred seventy-four".