55815614 has 8 divisors (see below), whose sum is σ = 83832168. Its totient is φ = 27871560.

The previous prime is 55815583. The next prime is 55815629. The reversal of 55815614 is 41651855.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16157 + ... + 19304.

It is an arithmetic number, because the mean of its divisors is an integer number (10479021).

Almost surely, 2^55815614 is an apocalyptic number.

55815614 is a deficient number, since it is larger than the sum of its proper divisors (28016554).

55815614 is a wasteful number, since it uses less digits than its factorization.

55815614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36250.

The product of its digits is 24000, while the sum is 35.

The square root of 55815614 is about 7470.9848079085. The cubic root of 55815614 is about 382.1658727937.

The spelling of 55815614 in words is "fifty-five million, eight hundred fifteen thousand, six hundred fourteen".