55583886 has 8 divisors (see below), whose sum is σ = 111167784. Its totient is φ = 18527960.

The previous prime is 55583867. The next prime is 55583887. The reversal of 55583886 is 68838555.

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

55583886 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55583887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4631985 + ... + 4631996.

It is an arithmetic number, because the mean of its divisors is an integer number (13895973).

Almost surely, 2^55583886 is an apocalyptic number.

55583886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55583886 is a wasteful number, since it uses less digits than its factorization.

55583886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9263986.

The product of its digits is 1152000, while the sum is 48.

The square root of 55583886 is about 7455.4601467649. The cubic root of 55583886 is about 381.6362636889.

The spelling of 55583886 in words is "fifty-five million, five hundred eighty-three thousand, eight hundred eighty-six".