55915339 has 4 divisors (see below), whose sum is σ = 56012824. Its totient is φ = 55817856.

The previous prime is 55915337. The next prime is 55915361. The reversal of 55915339 is 93351955.

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 55915339 - 2¹ = 55915337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55915333) 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, 47877 + ... + 49030.

It is an arithmetic number, because the mean of its divisors is an integer number (14003206).

Almost surely, 2^55915339 is an apocalyptic number.

55915339 is a deficient number, since it is larger than the sum of its proper divisors (97485).

55915339 is an equidigital number, since it uses as much as digits as its factorization.

55915339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97484.

The product of its digits is 91125, while the sum is 40.

The square root of 55915339 is about 7477.6559829936. The cubic root of 55915339 is about 382.3933409021.

The spelling of 55915339 in words is "fifty-five million, nine hundred fifteen thousand, three hundred thirty-nine".