55232520256 has 63 divisors (see below), whose sum is σ = 113623901911. Its totient is φ = 26637653504.

The previous prime is 55232520251. The next prime is 55232520257. The reversal of 55232520256 is 65202523255.

The square root of 55232520256 is 235016.

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

It can be written as a sum of positive squares in 4 ways, for example, as 23827009600 + 31405510656 = 154360^2 + 177216^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55232520251) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 54523206 + ... + 54524218.

Almost surely, 2^55232520256 is an apocalyptic number.

55232520256 is the 235016-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55232520256

55232520256 is an abundant number, since it is smaller than the sum of its proper divisors (58391381655).

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

55232520256 is an frugal number, since it uses more digits than its factorization.

55232520256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 55232520256 in words is "fifty-five billion, two hundred thirty-two million, five hundred twenty thousand, two hundred fifty-six".