55679663 has 8 divisors (see below), whose sum is σ = 60020688. Its totient is φ = 51346944.

The previous prime is 55679639. The next prime is 55679683. The reversal of 55679663 is 36697655.

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 55679663 - 2¹⁰ = 55678639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55679683) 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, 25295 + ... + 27407.

It is an arithmetic number, because the mean of its divisors is an integer number (7502586).

Almost surely, 2^55679663 is an apocalyptic number.

55679663 is a deficient number, since it is larger than the sum of its proper divisors (4341025).

55679663 is a wasteful number, since it uses less digits than its factorization.

55679663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153.

The product of its digits is 1020600, while the sum is 47.

The square root of 55679663 is about 7461.8806610666. The cubic root of 55679663 is about 381.8553379855.

The spelling of 55679663 in words is "fifty-five million, six hundred seventy-nine thousand, six hundred sixty-three".