54889885 has 4 divisors (see below), whose sum is σ = 65867868. Its totient is φ = 43911904.

The previous prime is 54889873. The next prime is 54889903. The reversal of 54889885 is 58898845.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8145316 + 46744569 = 2854^2 + 6837^2 .

It is a cyclic number.

It is not a de Polignac number, because 54889885 - 2⁵ = 54889853 is a prime.

It is a Duffinian number.

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, 5488984 + ... + 5488993.

It is an arithmetic number, because the mean of its divisors is an integer number (16466967).

Almost surely, 2^54889885 is an apocalyptic number.

It is an amenable number.

54889885 is a deficient number, since it is larger than the sum of its proper divisors (10977983).

54889885 is a wasteful number, since it uses less digits than its factorization.

54889885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10977982.

The product of its digits is 3686400, while the sum is 55.

The square root of 54889885 is about 7408.7708157292. The cubic root of 54889885 is about 380.0412812955.

The spelling of 54889885 in words is "fifty-four million, eight hundred eighty-nine thousand, eight hundred eighty-five".