51057927360 has 672 divisors, whose sum is σ = 199659313152. Its totient is φ = 11867381760.

The previous prime is 51057927343. The next prime is 51057927373. The reversal of 51057927360 is 6372975015.

51057927360 is a `hidden beast` number, since 5 + 1 + 0 + 579 + 2 + 73 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 78914557 + ... + 78915203.

Almost surely, 2^51057927360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51057927360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99829656576).

51057927360 is an abundant number, since it is smaller than the sum of its proper divisors (148601385792).

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

51057927360 is a wasteful number, since it uses less digits than its factorization.

51057927360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The spelling of 51057927360 in words is "fifty-one billion, fifty-seven million, nine hundred twenty-seven thousand, three hundred sixty".