55644502 has 16 divisors (see below), whose sum is σ = 93029040. Its totient is φ = 24807168.

The previous prime is 55644499. The next prime is 55644517. The reversal of 55644502 is 20544655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42423 + ... + 43714.

It is an arithmetic number, because the mean of its divisors is an integer number (5814315).

Almost surely, 2^55644502 is an apocalyptic number.

55644502 is a deficient number, since it is larger than the sum of its proper divisors (37384538).

55644502 is a wasteful number, since it uses less digits than its factorization.

55644502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86175.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 55644502 is about 7459.5242475643. The cubic root of 55644502 is about 381.7749421281.

The spelling of 55644502 in words is "fifty-five million, six hundred forty-four thousand, five hundred two".