54291289 has 4 divisors (see below), whose sum is σ = 58467556. Its totient is φ = 50115024.

The previous prime is 54291287. The next prime is 54291299. The reversal of 54291289 is 98219245.

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 12145225 + 42146064 = 3485^2 + 6492^2 .

It is a cyclic number.

It is not a de Polignac number, because 54291289 - 2¹ = 54291287 is a prime.

It is a super-2 number, since 2×54291289² = 5895088122563042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54291287) 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, 2088114 + ... + 2088139.

It is an arithmetic number, because the mean of its divisors is an integer number (14616889).

Almost surely, 2^54291289 is an apocalyptic number.

It is an amenable number.

54291289 is a deficient number, since it is larger than the sum of its proper divisors (4176267).

54291289 is a wasteful number, since it uses less digits than its factorization.

54291289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176266.

The product of its digits is 51840, while the sum is 40.

The square root of 54291289 is about 7368.2622781766. The cubic root of 54291289 is about 378.6547283309.

The spelling of 54291289 in words is "fifty-four million, two hundred ninety-one thousand, two hundred eighty-nine".