55323959 has 4 divisors (see below), whose sum is σ = 55555680. Its totient is φ = 55092240.

The previous prime is 55323949. The next prime is 55323971. The reversal of 55323959 is 95932355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55323959 - 2⁴ = 55323943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55323949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115502 + ... + 115979.

It is an arithmetic number, because the mean of its divisors is an integer number (13888920).

Almost surely, 2^55323959 is an apocalyptic number.

55323959 is a deficient number, since it is larger than the sum of its proper divisors (231721).

55323959 is a wasteful number, since it uses less digits than its factorization.

55323959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231720.

The product of its digits is 182250, while the sum is 41.

The square root of 55323959 is about 7438.0077305687. The cubic root of 55323959 is about 381.0404519340.

The spelling of 55323959 in words is "fifty-five million, three hundred twenty-three thousand, nine hundred fifty-nine".