51549734152 has 16 divisors (see below), whose sum is σ = 110463716160. Its totient is φ = 22092743184.

The previous prime is 51549734143. The next prime is 51549734167. The reversal of 51549734152 is 25143794515.

It is a super-2 number, since 2×51549734152² (a number of 22 digits) contains 22 as substring.

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, 460265428 + ... + 460265539.

It is an arithmetic number, because the mean of its divisors is an integer number (6903982260).

Almost surely, 2^51549734152 is an apocalyptic number.

It is an amenable number.

51549734152 is an abundant number, since it is smaller than the sum of its proper divisors (58913982008).

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

51549734152 is a wasteful number, since it uses less digits than its factorization.

51549734152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920530980 (or 920530976 counting only the distinct ones).

The product of its digits is 756000, while the sum is 46.

The spelling of 51549734152 in words is "fifty-one billion, five hundred forty-nine million, seven hundred thirty-four thousand, one hundred fifty-two".