55223077325 has 36 divisors (see below), whose sum is σ = 75587300124. Its totient is φ = 39785088000.

The previous prime is 55223077297. The next prime is 55223077331. The reversal of 55223077325 is 52377032255.

It is a happy number.

It can be written as a sum of positive squares in 18 ways, for example, as 53706208516 + 1516868809 = 231746^2 + 38947^2 .

It is not a de Polignac number, because 55223077325 - 2²⁸ = 54954641869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 495785 + ... + 596865.

Almost surely, 2^55223077325 is an apocalyptic number.

It is an amenable number.

55223077325 is a deficient number, since it is larger than the sum of its proper divisors (20364222799).

55223077325 is a wasteful number, since it uses less digits than its factorization.

55223077325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101186 (or 101140 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 41.

The spelling of 55223077325 in words is "fifty-five billion, two hundred twenty-three million, seventy-seven thousand, three hundred twenty-five".