56553287736 has 32 divisors (see below), whose sum is σ = 154236240000. Its totient is φ = 17137359840.

The previous prime is 56553287723. The next prime is 56553287767. The reversal of 56553287736 is 63778235565.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107108236 + ... + 107108763.

It is an arithmetic number, because the mean of its divisors is an integer number (4819882500).

Almost surely, 2^56553287736 is an apocalyptic number.

It is an amenable number.

56553287736 is an abundant number, since it is smaller than the sum of its proper divisors (97682952264).

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

56553287736 is a wasteful number, since it uses less digits than its factorization.

56553287736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214217019 (or 214217015 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 57.

The spelling of 56553287736 in words is "fifty-six billion, five hundred fifty-three million, two hundred eighty-seven thousand, seven hundred thirty-six".