55623339 has 12 divisors (see below), whose sum is σ = 80886000. Its totient is φ = 36832464.

The previous prime is 55623329. The next prime is 55623349. The reversal of 55623339 is 93332655.

It is an interprime number because it is at equal distance from previous prime (55623329) and next prime (55623349).

It is not a de Polignac number, because 55623339 - 2⁵ = 55623307 is a prime.

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, 19399 + ... + 22080.

It is an arithmetic number, because the mean of its divisors is an integer number (6740500).

Almost surely, 2^55623339 is an apocalyptic number.

55623339 is a deficient number, since it is larger than the sum of its proper divisors (25262661).

55623339 is a wasteful number, since it uses less digits than its factorization.

55623339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41634 (or 41631 counting only the distinct ones).

The product of its digits is 72900, while the sum is 36.

The square root of 55623339 is about 7458.1055905639. The cubic root of 55623339 is about 381.7265364617.

The spelling of 55623339 in words is "fifty-five million, six hundred twenty-three thousand, three hundred thirty-nine".