55556679 has 8 divisors (see below), whose sum is σ = 75651840. Its totient is φ = 36249656.

The previous prime is 55556639. The next prime is 55556687. The reversal of 55556679 is 97665555.

It is a happy number.

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 55556679 - 2¹⁵ = 55523911 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55556639) 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, 196869 + ... + 197150.

It is an arithmetic number, because the mean of its divisors is an integer number (9456480).

Almost surely, 2^55556679 is an apocalyptic number.

55556679 is a deficient number, since it is larger than the sum of its proper divisors (20095161).

55556679 is a wasteful number, since it uses less digits than its factorization.

55556679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394069.

The product of its digits is 1417500, while the sum is 48.

The square root of 55556679 is about 7453.6352875627. The cubic root of 55556679 is about 381.5739862128.

The spelling of 55556679 in words is "fifty-five million, five hundred fifty-six thousand, six hundred seventy-nine".