55086339 has 72 divisors (see below), whose sum is σ = 99462720. Its totient is φ = 26943840.

The previous prime is 55086331. The next prime is 55086347. The reversal of 55086339 is 93368055.

It is an interprime number because it is at equal distance from previous prime (55086331) and next prime (55086347).

It is not a de Polignac number, because 55086339 - 2³ = 55086331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55086297 and 55086306.

It is not an unprimeable number, because it can be changed into a prime (55086331) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 337872 + ... + 338034.

Almost surely, 2^55086339 is an apocalyptic number.

55086339 is a deficient number, since it is larger than the sum of its proper divisors (44376381).

55086339 is a wasteful number, since it uses less digits than its factorization.

55086339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 55086339 is about 7422.0171786382. The cubic root of 55086339 is about 380.4941378647.

The spelling of 55086339 in words is "fifty-five million, eighty-six thousand, three hundred thirty-nine".