51476048856 has 64 divisors (see below), whose sum is σ = 144754370400. Its totient is φ = 17158677120.

The previous prime is 51476048839. The next prime is 51476048873. The reversal of 51476048856 is 65884067415.

51476048856 is a `hidden beast` number, since 51 + 4 + 7 + 60 + 488 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (51476048839) and next prime (51476048873).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 1453585 + ... + 1488576.

Almost surely, 2^51476048856 is an apocalyptic number.

It is an amenable number.

51476048856 is an abundant number, since it is smaller than the sum of its proper divisors (93278321544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51476048856 is an equidigital number, since it uses as much as digits as its factorization.

51476048856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942188 (or 2942166 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 51476048856 in words is "fifty-one billion, four hundred seventy-six million, forty-eight thousand, eight hundred fifty-six".