55888999 has 8 divisors (see below), whose sum is σ = 57002400. Its totient is φ = 54784800.

The previous prime is 55888957. The next prime is 55889021. The reversal of 55888999 is 99988855.

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

It is a cyclic number.

It is not a de Polignac number, because 55888999 - 2⁹ = 55888487 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55888099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10677 + ... + 15025.

It is an arithmetic number, because the mean of its divisors is an integer number (7125300).

Almost surely, 2^55888999 is an apocalyptic number.

55888999 is a deficient number, since it is larger than the sum of its proper divisors (1113401).

55888999 is a wasteful number, since it uses less digits than its factorization.

55888999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601.

The product of its digits is 9331200, while the sum is 61.

The square root of 55888999 is about 7475.8945284160. The cubic root of 55888999 is about 382.3332868825. Note that the first 3 decimals are identical.

The spelling of 55888999 in words is "fifty-five million, eight hundred eighty-eight thousand, nine hundred ninety-nine".