55626663 has 8 divisors (see below), whose sum is σ = 74203776. Its totient is φ = 37067000.

The previous prime is 55626647. The next prime is 55626667. The reversal of 55626663 is 36662655.

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

It is a cyclic number.

It is not a de Polignac number, because 55626663 - 2⁴ = 55626647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55626667) 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, 8488 + ... + 13538.

It is an arithmetic number, because the mean of its divisors is an integer number (9275472).

Almost surely, 2^55626663 is an apocalyptic number.

55626663 is a deficient number, since it is larger than the sum of its proper divisors (18577113).

55626663 is a wasteful number, since it uses less digits than its factorization.

55626663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8725.

The product of its digits is 194400, while the sum is 39.

The square root of 55626663 is about 7458.3284320282. The cubic root of 55626663 is about 381.7341401868.

The spelling of 55626663 in words is "fifty-five million, six hundred twenty-six thousand, six hundred sixty-three".