55838913 has 16 divisors (see below), whose sum is σ = 80934336. Its totient is φ = 34038720.

The previous prime is 55838911. The next prime is 55838921. The reversal of 55838913 is 31983855.

It is not a de Polignac number, because 55838913 - 2¹ = 55838911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55838911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2518 + ... + 10863.

It is an arithmetic number, because the mean of its divisors is an integer number (5058396).

Almost surely, 2^55838913 is an apocalyptic number.

It is an amenable number.

55838913 is a deficient number, since it is larger than the sum of its proper divisors (25095423).

55838913 is a wasteful number, since it uses less digits than its factorization.

55838913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13504.

The product of its digits is 129600, while the sum is 42.

The square root of 55838913 is about 7472.5439443338. The cubic root of 55838913 is about 382.2190409748.

The spelling of 55838913 in words is "fifty-five million, eight hundred thirty-eight thousand, nine hundred thirteen".