55255774 has 32 divisors (see below), whose sum is σ = 97574400. Its totient is φ = 22976352.

The previous prime is 55255751. The next prime is 55255841. The reversal of 55255774 is 47755255.

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, 158152 + ... + 158500.

It is an arithmetic number, because the mean of its divisors is an integer number (3049200).

Almost surely, 2^55255774 is an apocalyptic number.

55255774 is a deficient number, since it is larger than the sum of its proper divisors (42318626).

55255774 is a wasteful number, since it uses less digits than its factorization.

55255774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664.

The product of its digits is 245000, while the sum is 40.

The square root of 55255774 is about 7433.4227647834. The cubic root of 55255774 is about 380.8838475461.

The spelling of 55255774 in words is "fifty-five million, two hundred fifty-five thousand, seven hundred seventy-four".