55860032190 has 16 divisors (see below), whose sum is σ = 134064077328. Its totient is φ = 14896008576.

The previous prime is 55860032177. The next prime is 55860032191. The reversal of 55860032190 is 9123006855.

It is a super-2 number, since 2×55860032190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55860032191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931000507 + ... + 931000566.

It is an arithmetic number, because the mean of its divisors is an integer number (8379004833).

Almost surely, 2^55860032190 is an apocalyptic number.

55860032190 is an abundant number, since it is smaller than the sum of its proper divisors (78204045138).

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

55860032190 is a wasteful number, since it uses less digits than its factorization.

55860032190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862001083.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 55860032190 in words is "fifty-five billion, eight hundred sixty million, thirty-two thousand, one hundred ninety".