55408255 has 8 divisors (see below), whose sum is σ = 75988512. Its totient is φ = 37994208.

The previous prime is 55408247. The next prime is 55408273. The reversal of 55408255 is 55280455.

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

It is not a de Polignac number, because 55408255 - 2³ = 55408247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55408255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791512 + ... + 791581.

It is an arithmetic number, because the mean of its divisors is an integer number (9498564).

Almost surely, 2^55408255 is an apocalyptic number.

55408255 is a deficient number, since it is larger than the sum of its proper divisors (20580257).

55408255 is a wasteful number, since it uses less digits than its factorization.

55408255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583105.

The product of its (nonzero) digits is 40000, while the sum is 34.

The square root of 55408255 is about 7443.6721448489. The cubic root of 55408255 is about 381.2338816083.

The spelling of 55408255 in words is "fifty-five million, four hundred eight thousand, two hundred fifty-five".