55993299 has 4 divisors (see below), whose sum is σ = 74657736. Its totient is φ = 37328864.

The previous prime is 55993283. The next prime is 55993319. The reversal of 55993299 is 99239955.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55993299 - 2⁴ = 55993283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55993279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9332214 + ... + 9332219.

It is an arithmetic number, because the mean of its divisors is an integer number (18664434).

Almost surely, 2^55993299 is an apocalyptic number.

55993299 is a deficient number, since it is larger than the sum of its proper divisors (18664437).

55993299 is a wasteful number, since it uses less digits than its factorization.

55993299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18664436.

The product of its digits is 984150, while the sum is 51.

The square root of 55993299 is about 7482.8670307577. The cubic root of 55993299 is about 382.5709757650.

The spelling of 55993299 in words is "fifty-five million, nine hundred ninety-three thousand, two hundred ninety-nine".