55679659 has 8 divisors (see below), whose sum is σ = 64025600. Its totient is φ = 47431656.

The previous prime is 55679639. The next prime is 55679683. The reversal of 55679659 is 95697655.

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 55679659 - 2¹⁷ = 55548587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55679609) 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, 23259 + ... + 25540.

It is an arithmetic number, because the mean of its divisors is an integer number (8003200).

Almost surely, 2^55679659 is an apocalyptic number.

55679659 is a deficient number, since it is larger than the sum of its proper divisors (8345941).

55679659 is a wasteful number, since it uses less digits than its factorization.

55679659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48969.

The product of its digits is 2551500, while the sum is 52.

The square root of 55679659 is about 7461.8803930377. The cubic root of 55679659 is about 381.8553288414.

It can be divided in two parts, 55679 and 659, that multiplied together give a triangular number (36692461 = T₈₅₆₆).

The spelling of 55679659 in words is "fifty-five million, six hundred seventy-nine thousand, six hundred fifty-nine".