55527218484 has 12 divisors (see below), whose sum is σ = 129563509824. Its totient is φ = 18509072824.

The previous prime is 55527218479. The next prime is 55527218489. The reversal of 55527218484 is 48481272555.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55527218479) and next prime (55527218489).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55527218489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313634092 + ... + 2313634115.

It is an arithmetic number, because the mean of its divisors is an integer number (10796959152).

Almost surely, 2^55527218484 is an apocalyptic number.

It is an amenable number.

55527218484 is an abundant number, since it is smaller than the sum of its proper divisors (74036291340).

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

55527218484 is a wasteful number, since it uses less digits than its factorization.

55527218484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627268214 (or 4627268212 counting only the distinct ones).

The product of its digits is 3584000, while the sum is 51.

The spelling of 55527218484 in words is "fifty-five billion, five hundred twenty-seven million, two hundred eighteen thousand, four hundred eighty-four".