55856560540 has 48 divisors (see below), whose sum is σ = 130938192000. Its totient is φ = 19839113280.

The previous prime is 55856560519. The next prime is 55856560589. The reversal of 55856560540 is 4506565855.

55856560540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2942790 + ... + 2961709.

It is an arithmetic number, because the mean of its divisors is an integer number (2727879000).

Almost surely, 2^55856560540 is an apocalyptic number.

It is an amenable number.

55856560540 is an abundant number, since it is smaller than the sum of its proper divisors (75081631460).

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

55856560540 is a wasteful number, since it uses less digits than its factorization.

55856560540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904562 (or 5904560 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 49.

The spelling of 55856560540 in words is "fifty-five billion, eight hundred fifty-six million, five hundred sixty thousand, five hundred forty".