54897291 has 8 divisors (see below), whose sum is σ = 81329360. Its totient is φ = 36598176.

The previous prime is 54897287. The next prime is 54897299. The reversal of 54897291 is 19279845.

54897291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54897291 - 2² = 54897287 is a prime.

It is a super-3 number, since 3×54897291³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54897299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016590 + ... + 1016643.

It is an arithmetic number, because the mean of its divisors is an integer number (10166170).

Almost surely, 2^54897291 is an apocalyptic number.

54897291 is a deficient number, since it is larger than the sum of its proper divisors (26432069).

54897291 is a wasteful number, since it uses less digits than its factorization.

54897291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033242 (or 2033236 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 54897291 is about 7409.2706118754. The cubic root of 54897291 is about 380.0583728425.

The spelling of 54897291 in words is "fifty-four million, eight hundred ninety-seven thousand, two hundred ninety-one".