56002555540 has 12 divisors (see below), whose sum is σ = 117605366676. Its totient is φ = 22401022208.

The previous prime is 56002555403. The next prime is 56002555573. The reversal of 56002555540 is 4555520065.

It can be written as a sum of positive squares in 2 ways, for example, as 32733493776 + 23269061764 = 180924^2 + 152542^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56002555540.

It is a congruent number.

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, 1400063869 + ... + 1400063908.

It is an arithmetic number, because the mean of its divisors is an integer number (9800447223).

Almost surely, 2^56002555540 is an apocalyptic number.

It is an amenable number.

56002555540 is an abundant number, since it is smaller than the sum of its proper divisors (61602811136).

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

56002555540 is a wasteful number, since it uses less digits than its factorization.

56002555540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800127786 (or 2800127784 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 56002555540 in words is "fifty-six billion, two million, five hundred fifty-five thousand, five hundred forty".