55623325 has 12 divisors (see below), whose sum is σ = 70441920. Its totient is φ = 43550960.

The previous prime is 55623307. The next prime is 55623329. The reversal of 55623325 is 52332655.

It is not a de Polignac number, because 55623325 - 2¹¹ = 55621277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55623329) 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, 22495 + ... + 24844.

It is an arithmetic number, because the mean of its divisors is an integer number (5870160).

Almost surely, 2^55623325 is an apocalyptic number.

It is an amenable number.

55623325 is a deficient number, since it is larger than the sum of its proper divisors (14818595).

55623325 is a wasteful number, since it uses less digits than its factorization.

55623325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47396 (or 47391 counting only the distinct ones).

The product of its digits is 27000, while the sum is 31.

The square root of 55623325 is about 7458.1046519877. The cubic root of 55623325 is about 381.7265044358.

The spelling of 55623325 in words is "fifty-five million, six hundred twenty-three thousand, three hundred twenty-five".