55618798 has 16 divisors (see below), whose sum is σ = 89404560. Its totient is φ = 25856896.

The previous prime is 55618753. The next prime is 55618811. The reversal of 55618798 is 89781655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7033 + ... + 12676.

It is an arithmetic number, because the mean of its divisors is an integer number (5587785).

Almost surely, 2^55618798 is an apocalyptic number.

55618798 is a deficient number, since it is larger than the sum of its proper divisors (33785762).

55618798 is a wasteful number, since it uses less digits than its factorization.

55618798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19811.

The product of its digits is 604800, while the sum is 49.

The square root of 55618798 is about 7457.8011504732. The cubic root of 55618798 is about 381.7161483321.

The spelling of 55618798 in words is "fifty-five million, six hundred eighteen thousand, seven hundred ninety-eight".