541788889 has 4 divisors (see below), whose sum is σ = 542107620. Its totient is φ = 541470160.

The previous prime is 541788869. The next prime is 541788893. The reversal of 541788889 is 988887145.

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 114126489 + 427662400 = 10683^2 + 20680^2 .

It is a cyclic number.

It is not a de Polignac number, because 541788889 - 2⁷ = 541788761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541788869) 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, 156802 + ... + 160219.

It is an arithmetic number, because the mean of its divisors is an integer number (135526905).

Almost surely, 2^541788889 is an apocalyptic number.

It is an amenable number.

541788889 is a deficient number, since it is larger than the sum of its proper divisors (318731).

541788889 is a wasteful number, since it uses less digits than its factorization.

541788889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318730.

The product of its digits is 5160960, while the sum is 58.

The square root of 541788889 is about 23276.3590151037. The cubic root of 541788889 is about 815.2235145419.

The spelling of 541788889 in words is "five hundred forty-one million, seven hundred eighty-eight thousand, eight hundred eighty-nine".