55324570240 has 64 divisors (see below), whose sum is σ = 132288775560. Its totient is φ = 22125064192.

The previous prime is 55324570219. The next prime is 55324570241. The reversal of 55324570240 is 4207542355.

It can be written as a sum of positive squares in 4 ways, for example, as 42703395904 + 12621174336 = 206648^2 + 112344^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 55324570240.

It is not an unprimeable number, because it can be changed into a prime (55324570241) 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, 5712282 + ... + 5721958.

Almost surely, 2^55324570240 is an apocalyptic number.

It is an amenable number.

55324570240 is an abundant number, since it is smaller than the sum of its proper divisors (76964205320).

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

55324570240 is an equidigital number, since it uses as much as digits as its factorization.

55324570240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18629 (or 18617 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 37.

The spelling of 55324570240 in words is "fifty-five billion, three hundred twenty-four million, five hundred seventy thousand, two hundred forty".