55396313 has 12 divisors (see below), whose sum is σ = 64876032. Its totient is φ = 47161800.

The previous prime is 55396309. The next prime is 55396321. The reversal of 55396313 is 31369355.

It is not a de Polignac number, because 55396313 - 2² = 55396309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55396333) 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, 3656 + ... + 11142.

It is an arithmetic number, because the mean of its divisors is an integer number (5406336).

Almost surely, 2^55396313 is an apocalyptic number.

It is an amenable number.

55396313 is a deficient number, since it is larger than the sum of its proper divisors (9479719).

55396313 is a wasteful number, since it uses less digits than its factorization.

55396313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7652 (or 7645 counting only the distinct ones).

The product of its digits is 36450, while the sum is 35.

The square root of 55396313 is about 7442.8699437784. The cubic root of 55396313 is about 381.2064908514.

The spelling of 55396313 in words is "fifty-five million, three hundred ninety-six thousand, three hundred thirteen".