55424930625 has 135 divisors (see below), whose sum is σ = 103843655487. Its totient is φ = 28477008000.

The previous prime is 55424930623. The next prime is 55424930699. The reversal of 55424930625 is 52603942455.

The square root of 55424930625 is 235425.

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

55424930625 is a `hidden beast` number, since 5 + 542 + 49 + 3 + 0 + 62 + 5 = 666.

55424930625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 39312182529 + 16112748096 = 198273^2 + 126936^2 .

It is not a de Polignac number, because 55424930625 - 2¹ = 55424930623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (55424930623) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 759245589 + ... + 759245661.

Almost surely, 2^55424930625 is an apocalyptic number.

55424930625 is the 235425-th square number.

55424930625 is the 117713-rd centered octagonal number.

It is an amenable number.

55424930625 is a deficient number, since it is larger than the sum of its proper divisors (48418724862).

55424930625 is an frugal number, since it uses more digits than its factorization.

55424930625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

It can be divided in two parts, 55424 and 930625, that added together give a square (986049 = 993²).

The spelling of 55424930625 in words is "fifty-five billion, four hundred twenty-four million, nine hundred thirty thousand, six hundred twenty-five".