55458249 has 24 divisors (see below), whose sum is σ = 93839328. Its totient is φ = 28808640.

The previous prime is 55458241. The next prime is 55458259. The reversal of 55458249 is 94285455.

It is not a de Polignac number, because 55458249 - 2³ = 55458241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55458249.

It is not an unprimeable number, because it can be changed into a prime (55458241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15532 + ... + 18765.

It is an arithmetic number, because the mean of its divisors is an integer number (3909972).

Almost surely, 2^55458249 is an apocalyptic number.

It is an amenable number.

55458249 is a deficient number, since it is larger than the sum of its proper divisors (38381079).

55458249 is a wasteful number, since it uses less digits than its factorization.

55458249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34325 (or 34318 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The square root of 55458249 is about 7447.0295420389. The cubic root of 55458249 is about 381.3485075920.

The spelling of 55458249 in words is "fifty-five million, four hundred fifty-eight thousand, two hundred forty-nine".