55075299 has 8 divisors (see below), whose sum is σ = 73470720. Its totient is φ = 36698376.

The previous prime is 55075297. The next prime is 55075309. The reversal of 55075299 is 99257055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55075299 - 2¹ = 55075297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55075299.

It is not an unprimeable number, because it can be changed into a prime (55075297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5482 + ... + 11840.

It is an arithmetic number, because the mean of its divisors is an integer number (9183840).

Almost surely, 2^55075299 is an apocalyptic number.

55075299 is a deficient number, since it is larger than the sum of its proper divisors (18395421).

55075299 is a wasteful number, since it uses less digits than its factorization.

55075299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249.

The product of its (nonzero) digits is 141750, while the sum is 42.

The square root of 55075299 is about 7421.2734082501. The cubic root of 55075299 is about 380.4687175518.

The spelling of 55075299 in words is "fifty-five million, seventy-five thousand, two hundred ninety-nine".