55243125 has 120 divisors (see below), whose sum is σ = 120861312. Its totient is φ = 23760000.

The previous prime is 55243117. The next prime is 55243151. The reversal of 55243125 is 52134255.

It is a happy number.

It is not a de Polignac number, because 55243125 - 2³ = 55243117 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 905595 + ... + 905655.

Almost surely, 2^55243125 is an apocalyptic number.

It is an amenable number.

55243125 is an abundant number, since it is smaller than the sum of its proper divisors (65618187).

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

55243125 is a wasteful number, since it uses less digits than its factorization.

55243125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 99 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 55243125 is about 7432.5718967259. The cubic root of 55243125 is about 380.8547817000.

It can be divided in two parts, 5524 and 3125, that added together give a square (8649 = 93²).

The spelling of 55243125 in words is "fifty-five million, two hundred forty-three thousand, one hundred twenty-five".