55636253 has 4 divisors (see below), whose sum is σ = 55722108. Its totient is φ = 55550400.

The previous prime is 55636219. The next prime is 55636261. The reversal of 55636253 is 35263655.

55636253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23396569 + 32239684 = 4837^2 + 5678^2 .

It is a cyclic number.

It is not a de Polignac number, because 55636253 - 2¹⁶ = 55570717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55636213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41948 + ... + 43253.

It is an arithmetic number, because the mean of its divisors is an integer number (13930527).

Almost surely, 2^55636253 is an apocalyptic number.

It is an amenable number.

55636253 is a deficient number, since it is larger than the sum of its proper divisors (85855).

55636253 is an equidigital number, since it uses as much as digits as its factorization.

55636253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85854.

The product of its digits is 81000, while the sum is 35.

The square root of 55636253 is about 7458.9713097719. The cubic root of 55636253 is about 381.7560758309.

The spelling of 55636253 in words is "fifty-five million, six hundred thirty-six thousand, two hundred fifty-three".