55252305242 has 4 divisors (see below), whose sum is σ = 82878457866. Its totient is φ = 27626152620.

The previous prime is 55252305193. The next prime is 55252305257. The reversal of 55252305242 is 24250325255.

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., 48176299081 + 7076006161 = 219491^2 + 84119^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13813076309 + ... + 13813076312.

Almost surely, 2^55252305242 is an apocalyptic number.

55252305242 is a deficient number, since it is larger than the sum of its proper divisors (27626152624).

55252305242 is a wasteful number, since it uses less digits than its factorization.

55252305242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27626152623.

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 55252305242 in words is "fifty-five billion, two hundred fifty-two million, three hundred five thousand, two hundred forty-two".