51394655908 has 12 divisors (see below), whose sum is σ = 92032291120. Its totient is φ = 25099715592.

The previous prime is 51394655887. The next prime is 51394655927. The reversal of 51394655908 is 80955649315.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 149402898 + ... + 149403241.

Almost surely, 2^51394655908 is an apocalyptic number.

It is an amenable number.

51394655908 is a deficient number, since it is larger than the sum of its proper divisors (40637635212).

51394655908 is a wasteful number, since it uses less digits than its factorization.

51394655908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298806186 (or 298806184 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 55.

The spelling of 51394655908 in words is "fifty-one billion, three hundred ninety-four million, six hundred fifty-five thousand, nine hundred eight".