55273449 has 64 divisors (see below), whose sum is σ = 98058240. Its totient is φ = 26853120.

The previous prime is 55273433. The next prime is 55273469. The reversal of 55273449 is 94437255.

It is not a de Polignac number, because 55273449 - 2⁴ = 55273433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55273469) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247752 + ... + 247974.

It is an arithmetic number, because the mean of its divisors is an integer number (1532160).

Almost surely, 2^55273449 is an apocalyptic number.

It is an amenable number.

55273449 is a deficient number, since it is larger than the sum of its proper divisors (42784791).

55273449 is a wasteful number, since it uses less digits than its factorization.

55273449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its digits is 151200, while the sum is 39.

The square root of 55273449 is about 7434.6115567661. The cubic root of 55273449 is about 380.9244550931.

The spelling of 55273449 in words is "fifty-five million, two hundred seventy-three thousand, four hundred forty-nine".