51166504 has 16 divisors (see below), whose sum is σ = 96671520. Its totient is φ = 25387440.

The previous prime is 51166471. The next prime is 51166519. The reversal of 51166504 is 40566115.

It is a super-2 number, since 2×51166504² = 5236022263164032, which contains 22 as substring.

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, 23364 + ... + 25459.

It is an arithmetic number, because the mean of its divisors is an integer number (6041970).

Almost surely, 2^51166504 is an apocalyptic number.

It is an amenable number.

51166504 is a deficient number, since it is larger than the sum of its proper divisors (45505016).

51166504 is a wasteful number, since it uses less digits than its factorization.

51166504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48960 (or 48956 counting only the distinct ones).

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

The square root of 51166504 is about 7153.0765409018. The cubic root of 51166504 is about 371.2461126387.

The spelling of 51166504 in words is "fifty-one million, one hundred sixty-six thousand, five hundred four".