55635663 has 8 divisors (see below), whose sum is σ = 74837808. Its totient is φ = 36761984.

The previous prime is 55635653. The next prime is 55635677. The reversal of 55635663 is 36653655.

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 55635663 - 2⁵ = 55635631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55635653) 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, 81720 + ... + 82397.

It is an arithmetic number, because the mean of its divisors is an integer number (9354726).

Almost surely, 2^55635663 is an apocalyptic number.

55635663 is a deficient number, since it is larger than the sum of its proper divisors (19202145).

55635663 is a wasteful number, since it uses less digits than its factorization.

55635663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164233.

The product of its digits is 243000, while the sum is 39.

The square root of 55635663 is about 7458.9317599774. The cubic root of 55635663 is about 381.7547263698.

The spelling of 55635663 in words is "fifty-five million, six hundred thirty-five thousand, six hundred sixty-three".