55437644304 has 135 divisors (see below), whose sum is σ = 180543170223. Its totient is φ = 15833676096.

The previous prime is 55437644291. The next prime is 55437644321. The reversal of 55437644304 is 40344673455.

The square root of 55437644304 is 235452.

It is a perfect power (a square), and thus also a powerful number.

55437644304 is a `hidden beast` number, since 5 + 543 + 7 + 64 + 43 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55437644304.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19776567 + ... + 19779369.

Almost surely, 2^55437644304 is an apocalyptic number.

55437644304 is the 235452-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55437644304

55437644304 is an abundant number, since it is smaller than the sum of its proper divisors (125105525919).

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

55437644304 is an equidigital number, since it uses as much as digits as its factorization.

55437644304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634 (or 2815 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 45.

The spelling of 55437644304 in words is "fifty-five billion, four hundred thirty-seven million, six hundred forty-four thousand, three hundred four".