55360918 has 4 divisors (see below), whose sum is σ = 83041380. Its totient is φ = 27680458.

The previous prime is 55360897. The next prime is 55360919. The reversal of 55360918 is 81906355.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55360919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13840228 + ... + 13840231.

It is an arithmetic number, because the mean of its divisors is an integer number (20760345).

Almost surely, 2^55360918 is an apocalyptic number.

55360918 is a deficient number, since it is larger than the sum of its proper divisors (27680462).

55360918 is a wasteful number, since it uses less digits than its factorization.

55360918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27680461.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 55360918 is about 7440.4917848218. The cubic root of 55360918 is about 381.1252840120.

The spelling of 55360918 in words is "fifty-five million, three hundred sixty thousand, nine hundred eighteen".