51904954 has 16 divisors (see below), whose sum is σ = 80805600. Its totient is φ = 24975664.

The previous prime is 51904949. The next prime is 51905033. The reversal of 51904954 is 45940915.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18837 + ... + 21415.

It is an arithmetic number, because the mean of its divisors is an integer number (5050350).

Almost surely, 2^51904954 is an apocalyptic number.

51904954 is a deficient number, since it is larger than the sum of its proper divisors (28900646).

51904954 is a wasteful number, since it uses less digits than its factorization.

51904954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 51904954 is about 7204.5092823870. The cubic root of 51904954 is about 373.0235665666.

The spelling of 51904954 in words is "fifty-one million, nine hundred four thousand, nine hundred fifty-four".