55243358 has 4 divisors (see below), whose sum is σ = 82865040. Its totient is φ = 27621678.

The previous prime is 55243339. The next prime is 55243361. The reversal of 55243358 is 85334255.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13810838 + ... + 13810841.

It is an arithmetic number, because the mean of its divisors is an integer number (20716260).

Almost surely, 2^55243358 is an apocalyptic number.

55243358 is a deficient number, since it is larger than the sum of its proper divisors (27621682).

55243358 is a wasteful number, since it uses less digits than its factorization.

55243358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27621681.

The product of its digits is 72000, while the sum is 35.

The square root of 55243358 is about 7432.5875709607. The cubic root of 55243358 is about 380.8553171455.

The spelling of 55243358 in words is "fifty-five million, two hundred forty-three thousand, three hundred fifty-eight".