55383799 has 4 divisors (see below), whose sum is σ = 55954864. Its totient is φ = 54812736.

The previous prime is 55383767. The next prime is 55383817. The reversal of 55383799 is 99738355.

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 55383799 - 2⁵ = 55383767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55383599) 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, 285387 + ... + 285580.

It is an arithmetic number, because the mean of its divisors is an integer number (13988716).

Almost surely, 2^55383799 is an apocalyptic number.

55383799 is a deficient number, since it is larger than the sum of its proper divisors (571065).

55383799 is an equidigital number, since it uses as much as digits as its factorization.

55383799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571064.

The product of its digits is 1020600, while the sum is 49.

The square root of 55383799 is about 7442.0292259571. The cubic root of 55383799 is about 381.1777839030.

The spelling of 55383799 in words is "fifty-five million, three hundred eighty-three thousand, seven hundred ninety-nine".