55252444425255 has 128 divisors (see below), whose sum is σ = 122784051363840. Its totient is φ = 22902100030080.

The previous prime is 55252444425229. The next prime is 55252444425259.

It is a happy number.

55252444425255 is a `hidden beast` number, since 5 + 5 + 2 + 524 + 4 + 44 + 25 + 2 + 55 = 666.

55252444425255 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55252444425255 - 2²⁴ = 55252427648039 is a prime.

It is a super-2 number, since 2×55252444425255² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55252444425259) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2957737 + ... + 10920306.

It is an arithmetic number, because the mean of its divisors is an integer number (959250401280).

Almost surely, 2^{55252444425255} is an apocalyptic number.

55252444425255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55252444425255 is an abundant number, since it is smaller than the sum of its proper divisors (67531606938585).

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

55252444425255 is a wasteful number, since it uses less digits than its factorization.

55252444425255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13878458 (or 13878452 counting only the distinct ones).

The product of its digits is 64000000, while the sum is 54.

The spelling of 55252444425255 in words is "fifty-five trillion, two hundred fifty-two billion, four hundred forty-four million, four hundred twenty-five thousand, two hundred fifty-five".