55489827 has 8 divisors (see below), whose sum is σ = 74040400. Its totient is φ = 36966240.

The previous prime is 55489817. The next prime is 55489831. The reversal of 55489827 is 72898455.

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

It is not a de Polignac number, because 55489827 - 2⁷ = 55489699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55489817) 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, 1324 + ... + 10617.

It is an arithmetic number, because the mean of its divisors is an integer number (9255050).

Almost surely, 2^55489827 is an apocalyptic number.

55489827 is a deficient number, since it is larger than the sum of its proper divisors (18550573).

55489827 is a wasteful number, since it uses less digits than its factorization.

55489827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13493.

The product of its digits is 806400, while the sum is 48.

The square root of 55489827 is about 7449.1494145305. The cubic root of 55489827 is about 381.4208739727.

The spelling of 55489827 in words is "fifty-five million, four hundred eighty-nine thousand, eight hundred twenty-seven".