55644535 has 16 divisors (see below), whose sum is σ = 69656832. Its totient is φ = 42624000.

The previous prime is 55644529. The next prime is 55644551. The reversal of 55644535 is 53544655.

55644535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55644535 - 2³ = 55644527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55644494 and 55644503.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13185 + ... + 16885.

It is an arithmetic number, because the mean of its divisors is an integer number (4353552).

Almost surely, 2^55644535 is an apocalyptic number.

55644535 is a deficient number, since it is larger than the sum of its proper divisors (14012297).

55644535 is a wasteful number, since it uses less digits than its factorization.

55644535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834.

The product of its digits is 180000, while the sum is 37.

The square root of 55644535 is about 7459.5264595013. The cubic root of 55644535 is about 381.7750175987.

The spelling of 55644535 in words is "fifty-five million, six hundred forty-four thousand, five hundred thirty-five".