55742318 has 4 divisors (see below), whose sum is σ = 83613480. Its totient is φ = 27871158.

The previous prime is 55742299. The next prime is 55742339. The reversal of 55742318 is 81324755.

It is a happy number.

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, 13935578 + ... + 13935581.

It is an arithmetic number, because the mean of its divisors is an integer number (20903370).

Almost surely, 2^55742318 is an apocalyptic number.

55742318 is a deficient number, since it is larger than the sum of its proper divisors (27871162).

55742318 is a wasteful number, since it uses less digits than its factorization.

55742318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27871161.

The product of its digits is 33600, while the sum is 35.

The square root of 55742318 is about 7466.0778190426. The cubic root of 55742318 is about 381.9985152031.

It can be divided in two parts, 557 and 42318, that added together give a cube (42875 = 35³).

The spelling of 55742318 in words is "fifty-five million, seven hundred forty-two thousand, three hundred eighteen".