55479965 has 8 divisors (see below), whose sum is σ = 66616800. Its totient is φ = 44356752.

The previous prime is 55479937. The next prime is 55479971. The reversal of 55479965 is 56997455.

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 55479965 - 2¹⁴ = 55463581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11486 + ... + 15584.

It is an arithmetic number, because the mean of its divisors is an integer number (8327100).

Almost surely, 2^55479965 is an apocalyptic number.

It is an amenable number.

55479965 is a deficient number, since it is larger than the sum of its proper divisors (11136835).

55479965 is a wasteful number, since it uses less digits than its factorization.

55479965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811.

The product of its digits is 1701000, while the sum is 50.

The square root of 55479965 is about 7448.4874303445. The cubic root of 55479965 is about 381.3982764641.

The spelling of 55479965 in words is "fifty-five million, four hundred seventy-nine thousand, nine hundred sixty-five".