55142611660 has 48 divisors (see below), whose sum is σ = 116783827776. Its totient is φ = 21870243072.

The previous prime is 55142611639. The next prime is 55142611681. The reversal of 55142611660 is 6611624155.

It is an interprime number because it is at equal distance from previous prime (55142611639) and next prime (55142611681).

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, 1269217 + ... + 1311943.

It is an arithmetic number, because the mean of its divisors is an integer number (2432996412).

Almost surely, 2^55142611660 is an apocalyptic number.

It is an amenable number.

55142611660 is an abundant number, since it is smaller than the sum of its proper divisors (61641216116).

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

55142611660 is a wasteful number, since it uses less digits than its factorization.

55142611660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43282 (or 43280 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 55142611660 in words is "fifty-five billion, one hundred forty-two million, six hundred eleven thousand, six hundred sixty".