55610137540 has 12 divisors (see below), whose sum is σ = 116781288876. Its totient is φ = 22244055008.

The previous prime is 55610137487. The next prime is 55610137553. The reversal of 55610137540 is 4573101655.

It can be written as a sum of positive squares in 2 ways, for example, as 23465950596 + 32144186944 = 153186^2 + 179288^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55610137540.

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, 1390253419 + ... + 1390253458.

It is an arithmetic number, because the mean of its divisors is an integer number (9731774073).

Almost surely, 2^55610137540 is an apocalyptic number.

It is an amenable number.

55610137540 is an abundant number, since it is smaller than the sum of its proper divisors (61171151336).

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

55610137540 is a wasteful number, since it uses less digits than its factorization.

55610137540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780506886 (or 2780506884 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 55610137540 in words is "fifty-five billion, six hundred ten million, one hundred thirty-seven thousand, five hundred forty".