55522439424 has 81 divisors (see below), whose sum is σ = 160117497813. Its totient is φ = 18503709696.

The previous prime is 55522439411. The next prime is 55522439437. The reversal of 55522439424 is 42493422555.

The square root of 55522439424 is 235632.

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

55522439424 is a `hidden beast` number, since 5 + 552 + 2 + 4 + 3 + 94 + 2 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (55522439411) and next prime (55522439437).

It can be written as a sum of positive squares in only one way, i.e., 55116013824 + 406425600 = 234768^2 + 20160^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55522439424.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11307882 + ... + 11312790.

Almost surely, 2^55522439424 is an apocalyptic number.

55522439424 is the 235632-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55522439424

55522439424 is an abundant number, since it is smaller than the sum of its proper divisors (104595058389).

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

55522439424 is an frugal number, since it uses more digits than its factorization.

55522439424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840 (or 4914 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 55522439424 in words is "fifty-five billion, five hundred twenty-two million, four hundred thirty-nine thousand, four hundred twenty-four".