55553325 has 12 divisors (see below), whose sum is σ = 91848288. Its totient is φ = 29628400.

The previous prime is 55553269. The next prime is 55553327. The reversal of 55553325 is 52335555.

It is not a de Polignac number, because 55553325 - 2⁶ = 55553261 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55553327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370281 + ... + 370430.

It is an arithmetic number, because the mean of its divisors is an integer number (7654024).

Almost surely, 2^55553325 is an apocalyptic number.

It is an amenable number.

55553325 is a deficient number, since it is larger than the sum of its proper divisors (36294963).

55553325 is a wasteful number, since it uses less digits than its factorization.

55553325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740724 (or 740719 counting only the distinct ones).

The product of its digits is 56250, while the sum is 33.

The square root of 55553325 is about 7453.4102932819. The cubic root of 55553325 is about 381.5663074187.

The spelling of 55553325 in words is "fifty-five million, five hundred fifty-three thousand, three hundred twenty-five".