55033199 has 16 divisors (see below), whose sum is σ = 63086688. Its totient is φ = 47557632.

The previous prime is 55033169. The next prime is 55033207. The reversal of 55033199 is 99133055.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55033199 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 (55033109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49619 + ... + 50715.

It is an arithmetic number, because the mean of its divisors is an integer number (3942918).

Almost surely, 2^55033199 is an apocalyptic number.

55033199 is a deficient number, since it is larger than the sum of its proper divisors (8053489).

55033199 is a wasteful number, since it uses less digits than its factorization.

55033199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 55033199 is about 7418.4364255549. The cubic root of 55033199 is about 380.3717483938.

The spelling of 55033199 in words is "fifty-five million, thirty-three thousand, one hundred ninety-nine".