55022625 has 128 divisors (see below), whose sum is σ = 124001280. Its totient is φ = 23500800.

The previous prime is 55022621. The next prime is 55022677. The reversal of 55022625 is 52622055.

55022625 = 48³ + 49³ + ... + 122³.

It is not a de Polignac number, because 55022625 - 2² = 55022621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55022621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 401557 + ... + 401693.

It is an arithmetic number, because the mean of its divisors is an integer number (968760).

Almost surely, 2^55022625 is an apocalyptic number.

It is an amenable number.

55022625 is an abundant number, since it is smaller than the sum of its proper divisors (68978655).

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

55022625 is a wasteful number, since it uses less digits than its factorization.

55022625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 169 counting only the distinct ones).

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

The square root of 55022625 is about 7417.7237074456. The cubic root of 55022625 is about 380.3473854725.

The spelling of 55022625 in words is "fifty-five million, twenty-two thousand, six hundred twenty-five".