55669636 has 24 divisors (see below), whose sum is σ = 108874080. Its totient is φ = 24686400.

The previous prime is 55669631. The next prime is 55669643. The reversal of 55669636 is 63696655.

It is not an unprimeable number, because it can be changed into a prime (55669631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13626 + ... + 17233.

It is an arithmetic number, because the mean of its divisors is an integer number (4536420).

Almost surely, 2^55669636 is an apocalyptic number.

It is an amenable number.

55669636 is a deficient number, since it is larger than the sum of its proper divisors (53204444).

55669636 is a wasteful number, since it uses less digits than its factorization.

55669636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30915 (or 30913 counting only the distinct ones).

The product of its digits is 874800, while the sum is 46.

The square root of 55669636 is about 7461.2087492577. The cubic root of 55669636 is about 381.8324146347.

The spelling of 55669636 in words is "fifty-five million, six hundred sixty-nine thousand, six hundred thirty-six".