55643602 has 16 divisors (see below), whose sum is σ = 95814720. Its totient is φ = 23740848.

The previous prime is 55643551. The next prime is 55643611. The reversal of 55643602 is 20634655.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5577 + ... + 11932.

It is an arithmetic number, because the mean of its divisors is an integer number (5988420).

Almost surely, 2^55643602 is an apocalyptic number.

55643602 is a deficient number, since it is larger than the sum of its proper divisors (40171118).

55643602 is a wasteful number, since it uses less digits than its factorization.

55643602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17745.

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

The square root of 55643602 is about 7459.4639217574. The cubic root of 55643602 is about 381.7728838277.

The spelling of 55643602 in words is "fifty-five million, six hundred forty-three thousand, six hundred two".