55940085120 has 128 divisors (see below), whose sum is σ = 182658278880. Its totient is φ = 14553497600.

The previous prime is 55940085083. The next prime is 55940085163. The reversal of 55940085120 is 2158004955.

It is a tau number, because it is divible by the number of its divisors (128).

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, 276591 + ... + 434030.

Almost surely, 2^55940085120 is an apocalyptic number.

It is an amenable number.

55940085120 is an abundant number, since it is smaller than the sum of its proper divisors (126718193760).

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

55940085120 is a wasteful number, since it uses less digits than its factorization.

55940085120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710684 (or 710672 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 55940085120 in words is "fifty-five billion, nine hundred forty million, eighty-five thousand, one hundred twenty".