55089456 has 20 divisors (see below), whose sum is σ = 142314552. Its totient is φ = 18363136.

The previous prime is 55089451. The next prime is 55089457. The reversal of 55089456 is 65498055.

It is not an unprimeable number, because it can be changed into a prime (55089451) 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, 573801 + ... + 573896.

Almost surely, 2^55089456 is an apocalyptic number.

It is an amenable number.

55089456 is an abundant number, since it is smaller than the sum of its proper divisors (87225096).

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

55089456 is a wasteful number, since it uses less digits than its factorization.

55089456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147708 (or 1147702 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 55089456 is about 7422.2271590137. The cubic root of 55089456 is about 380.5013143437.

The spelling of 55089456 in words is "fifty-five million, eighty-nine thousand, four hundred fifty-six".