55888558 has 8 divisors (see below), whose sum is σ = 91454040. Its totient is φ = 25403880.

The previous prime is 55888549. The next prime is 55888577. The reversal of 55888558 is 85588855.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270173 + ... + 1270216.

It is an arithmetic number, because the mean of its divisors is an integer number (11431755).

Almost surely, 2^55888558 is an apocalyptic number.

55888558 is a deficient number, since it is larger than the sum of its proper divisors (35565482).

55888558 is a wasteful number, since it uses less digits than its factorization.

55888558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540402.

The product of its digits is 2560000, while the sum is 52.

The square root of 55888558 is about 7475.8650335597. The cubic root of 55888558 is about 382.3322812617.

The spelling of 55888558 in words is "fifty-five million, eight hundred eighty-eight thousand, five hundred fifty-eight".