55449255 has 16 divisors (see below), whose sum is σ = 88927200. Its totient is φ = 29503488.

The previous prime is 55449241. The next prime is 55449263. The reversal of 55449255 is 55294455.

It is not a de Polignac number, because 55449255 - 2⁷ = 55449127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2619 + ... + 10851.

It is an arithmetic number, because the mean of its divisors is an integer number (5557950).

Almost surely, 2^55449255 is an apocalyptic number.

55449255 is a deficient number, since it is larger than the sum of its proper divisors (33477945).

55449255 is a wasteful number, since it uses less digits than its factorization.

55449255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8690.

The product of its digits is 180000, while the sum is 39.

The square root of 55449255 is about 7446.4256526202. The cubic root of 55449255 is about 381.3278912787.

The spelling of 55449255 in words is "fifty-five million, four hundred forty-nine thousand, two hundred fifty-five".