55669039 has 8 divisors (see below), whose sum is σ = 58326912. Its totient is φ = 53031000.

The previous prime is 55669001. The next prime is 55669043. The reversal of 55669039 is 93096655.

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 55669039 - 2¹¹ = 55666991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55668986 and 55669004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55669049) 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, 952 + ... + 10594.

It is an arithmetic number, because the mean of its divisors is an integer number (7290864).

Almost surely, 2^55669039 is an apocalyptic number.

55669039 is a deficient number, since it is larger than the sum of its proper divisors (2657873).

55669039 is a wasteful number, since it uses less digits than its factorization.

55669039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9917.

The product of its (nonzero) digits is 218700, while the sum is 43.

The square root of 55669039 is about 7461.1687422280. The cubic root of 55669039 is about 381.8310497089.

The spelling of 55669039 in words is "fifty-five million, six hundred sixty-nine thousand, thirty-nine".