55252774 has 4 divisors (see below), whose sum is σ = 82879164. Its totient is φ = 27626386.

The previous prime is 55252753. The next prime is 55252793. The reversal of 55252774 is 47725255.

55252774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47725255 = 5 ⋅9545051.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13813192 + ... + 13813195.

It is an arithmetic number, because the mean of its divisors is an integer number (20719791).

Almost surely, 2^55252774 is an apocalyptic number.

55252774 is a deficient number, since it is larger than the sum of its proper divisors (27626390).

55252774 is a wasteful number, since it uses less digits than its factorization.

55252774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27626389.

The product of its digits is 98000, while the sum is 37.

The square root of 55252774 is about 7433.2209707502. The cubic root of 55252774 is about 380.8769543164.

The spelling of 55252774 in words is "fifty-five million, two hundred fifty-two thousand, seven hundred seventy-four".