55187284096 has 128 divisors (see below), whose sum is σ = 128554272000. Its totient is φ = 23588941824.

The previous prime is 55187284049. The next prime is 55187284099. The reversal of 55187284096 is 69048278155.

It is a happy number.

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

It is a super-2 number, since 2×55187284096² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55187284099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19008981 + ... + 19011883.

It is an arithmetic number, because the mean of its divisors is an integer number (1004330250).

Almost surely, 2^55187284096 is an apocalyptic number.

55187284096 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55187284096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64277136000).

55187284096 is an abundant number, since it is smaller than the sum of its proper divisors (73366987904).

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

55187284096 is an equidigital number, since it uses as much as digits as its factorization.

55187284096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371 (or 3345 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 55187284096 in words is "fifty-five billion, one hundred eighty-seven million, two hundred eighty-four thousand, ninety-six".