51366604 has 12 divisors (see below), whose sum is σ = 92084328. Its totient is φ = 25056800.

The previous prime is 51366599. The next prime is 51366611. The reversal of 51366604 is 40666315.

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, 156442 + ... + 156769.

It is an arithmetic number, because the mean of its divisors is an integer number (7673694).

Almost surely, 2^51366604 is an apocalyptic number.

It is an amenable number.

51366604 is a deficient number, since it is larger than the sum of its proper divisors (40717724).

51366604 is a wasteful number, since it uses less digits than its factorization.

51366604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313256 (or 313254 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 51366604 is about 7167.0498812273. The cubic root of 51366604 is about 371.7294348153.

The spelling of 51366604 in words is "fifty-one million, three hundred sixty-six thousand, six hundred four".