55252586 has 4 divisors (see below), whose sum is σ = 82878882. Its totient is φ = 27626292.

The previous prime is 55252583. The next prime is 55252591. The reversal of 55252586 is 68525255.

It is a happy number.

55252586 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.

It can be written as a sum of positive squares in only one way, i.e., 40081561 + 15171025 = 6331^2 + 3895^2 .

It is not an unprimeable number, because it can be changed into a prime (55252583) by changing a digit.

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, 13813145 + ... + 13813148.

Almost surely, 2^55252586 is an apocalyptic number.

55252586 is a deficient number, since it is larger than the sum of its proper divisors (27626296).

55252586 is a wasteful number, since it uses less digits than its factorization.

55252586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27626295.

The product of its digits is 120000, while the sum is 38.

The square root of 55252586 is about 7433.2083248083. The cubic root of 55252586 is about 380.8765223324.

The spelling of 55252586 in words is "fifty-five million, two hundred fifty-two thousand, five hundred eighty-six".