56771652740 has 48 divisors (see below), whose sum is σ = 130777343424. Its totient is φ = 20530166400.

The previous prime is 56771652739. The next prime is 56771652781. The reversal of 56771652740 is 4725617765.

It is a super-2 number, since 2×56771652740² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673034 + ... + 752673.

It is an arithmetic number, because the mean of its divisors is an integer number (2724527988).

Almost surely, 2^56771652740 is an apocalyptic number.

It is an amenable number.

56771652740 is an abundant number, since it is smaller than the sum of its proper divisors (74005690684).

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

56771652740 is a wasteful number, since it uses less digits than its factorization.

56771652740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425908 (or 1425906 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 50.

The spelling of 56771652740 in words is "fifty-six billion, seven hundred seventy-one million, six hundred fifty-two thousand, seven hundred forty".