54245689 has 4 divisors (see below), whose sum is σ = 56116260. Its totient is φ = 52375120.

The previous prime is 54245677. The next prime is 54245699. The reversal of 54245689 is 98654245.

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 10791225 + 43454464 = 3285^2 + 6592^2 .

It is a cyclic number.

It is not a de Polignac number, because 54245689 - 2²³ = 45857081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54245699) 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, 935242 + ... + 935299.

It is an arithmetic number, because the mean of its divisors is an integer number (14029065).

Almost surely, 2^54245689 is an apocalyptic number.

It is an amenable number.

54245689 is a deficient number, since it is larger than the sum of its proper divisors (1870571).

54245689 is a wasteful number, since it uses less digits than its factorization.

54245689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870570.

The product of its digits is 345600, while the sum is 43.

The square root of 54245689 is about 7365.1672757650. The cubic root of 54245689 is about 378.5486861993.

The spelling of 54245689 in words is "fifty-four million, two hundred forty-five thousand, six hundred eighty-nine".