55132288464 has 80 divisors (see below), whose sum is σ = 164512416960. Its totient is φ = 15724001280.

The previous prime is 55132288433. The next prime is 55132288469. The reversal of 55132288464 is 46488223155.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55132288469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3062119 + ... + 3080070.

It is an arithmetic number, because the mean of its divisors is an integer number (2056405212).

Almost surely, 2^55132288464 is an apocalyptic number.

It is an amenable number.

55132288464 is an abundant number, since it is smaller than the sum of its proper divisors (109380128496).

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

55132288464 is a wasteful number, since it uses less digits than its factorization.

55132288464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6142228 (or 6142222 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 48.

The spelling of 55132288464 in words is "fifty-five billion, one hundred thirty-two million, two hundred eighty-eight thousand, four hundred sixty-four".