51613682880 has 112 divisors (see below), whose sum is σ = 166181739264. Its totient is φ = 13569776640.

The previous prime is 51613682839. The next prime is 51613682893. The reversal of 51613682880 is 8828631615.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 310462 + ... + 446781.

Almost surely, 2^51613682880 is an apocalyptic number.

It is an amenable number.

51613682880 is an abundant number, since it is smaller than the sum of its proper divisors (114568056384).

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

51613682880 is a wasteful number, since it uses less digits than its factorization.

51613682880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757334 (or 757324 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 51613682880 in words is "fifty-one billion, six hundred thirteen million, six hundred eighty-two thousand, eight hundred eighty".