55086152990 has 128 divisors (see below), whose sum is σ = 120832819200. Its totient is φ = 17843379840.

The previous prime is 55086152969. The next prime is 55086153019. The reversal of 55086152990 is 9925168055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2826419 + ... + 2845841.

It is an arithmetic number, because the mean of its divisors is an integer number (944006400).

Almost surely, 2^55086152990 is an apocalyptic number.

55086152990 is an abundant number, since it is smaller than the sum of its proper divisors (65746666210).

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

55086152990 is a wasteful number, since it uses less digits than its factorization.

55086152990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19542.

The product of its (nonzero) digits is 972000, while the sum is 50.

The spelling of 55086152990 in words is "fifty-five billion, eighty-six million, one hundred fifty-two thousand, nine hundred ninety".