55190710872 has 384 divisors, whose sum is σ = 175265925120. Its totient is φ = 15531264000.

The previous prime is 55190710853. The next prime is 55190710879. The reversal of 55190710872 is 27801709155.

55190710872 is a `hidden beast` number, since 551 + 9 + 0 + 7 + 10 + 87 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55190710879) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 64399468 + ... + 64400324.

It is an arithmetic number, because the mean of its divisors is an integer number (456421680).

Almost surely, 2^55190710872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55190710872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87632962560).

55190710872 is an abundant number, since it is smaller than the sum of its proper divisors (120075214248).

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

55190710872 is a wasteful number, since it uses less digits than its factorization.

55190710872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The spelling of 55190710872 in words is "fifty-five billion, one hundred ninety million, seven hundred ten thousand, eight hundred seventy-two".