55363199 has 4 divisors (see below), whose sum is σ = 55399464. Its totient is φ = 55326936.

The previous prime is 55363177. The next prime is 55363201. The reversal of 55363199 is 99136355.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55363199 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 (55363109) 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, 15737 + ... + 18930.

It is an arithmetic number, because the mean of its divisors is an integer number (13849866).

Almost surely, 2^55363199 is an apocalyptic number.

55363199 is a deficient number, since it is larger than the sum of its proper divisors (36265).

55363199 is a wasteful number, since it uses less digits than its factorization.

55363199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36264.

The product of its digits is 109350, while the sum is 41.

The square root of 55363199 is about 7440.6450661216. The cubic root of 55363199 is about 381.1305183594.

The spelling of 55363199 in words is "fifty-five million, three hundred sixty-three thousand, one hundred ninety-nine".