55500113 has 6 divisors (see below), whose sum is σ = 57480774. Its totient is φ = 53585504.

The previous prime is 55500089. The next prime is 55500139. The reversal of 55500113 is 31100555.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14961424 + 40538689 = 3868^2 + 6367^2 .

It is not a de Polignac number, because 55500113 - 2²⁴ = 38722897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55500163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32156 + ... + 33837.

It is an arithmetic number, because the mean of its divisors is an integer number (9580129).

Almost surely, 2^55500113 is an apocalyptic number.

It is an amenable number.

55500113 is a deficient number, since it is larger than the sum of its proper divisors (1980661).

55500113 is an equidigital number, since it uses as much as digits as its factorization.

55500113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66051 (or 66022 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 55500113 is about 7449.8397969352. The cubic root of 55500113 is about 381.4444401705. Note that the first 5 decimals are identical.

Adding to 55500113 its reverse (31100555), we get a palindrome (86600668).

The spelling of 55500113 in words is "fifty-five million, five hundred thousand, one hundred thirteen".