55613325 has 24 divisors (see below), whose sum is σ = 92552608. Its totient is φ = 29465280.

The previous prime is 55613321. The next prime is 55613339. The reversal of 55613325 is 52331655.

55613325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55613325 - 2² = 55613321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55613292 and 55613301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55613321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9414 + ... + 14136.

Almost surely, 2^55613325 is an apocalyptic number.

It is an amenable number.

55613325 is a deficient number, since it is larger than the sum of its proper divisors (36939283).

55613325 is a wasteful number, since it uses less digits than its factorization.

55613325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893 (or 4888 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 55613325 is about 7457.4342102361. The cubic root of 55613325 is about 381.7036273794.

The spelling of 55613325 in words is "fifty-five million, six hundred thirteen thousand, three hundred twenty-five".