55023646 has 8 divisors (see below), whose sum is σ = 84092904. Its totient is φ = 26992680.

The previous prime is 55023637. The next prime is 55023653. The reversal of 55023646 is 64632055.

55023646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 259440 + ... + 259651.

It is an arithmetic number, because the mean of its divisors is an integer number (10511613).

Almost surely, 2^55023646 is an apocalyptic number.

55023646 is a deficient number, since it is larger than the sum of its proper divisors (29069258).

55023646 is a wasteful number, since it uses less digits than its factorization.

55023646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519146.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 55023646 is about 7417.7925287784. The cubic root of 55023646 is about 380.3497380337.

The spelling of 55023646 in words is "fifty-five million, twenty-three thousand, six hundred forty-six".