54455897 has 8 divisors (see below), whose sum is σ = 56507976. Its totient is φ = 52434432.

The previous prime is 54455893. The next prime is 54455909. The reversal of 54455897 is 79855445.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30680521 + 23775376 = 5539^2 + 4876^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54455897 - 2² = 54455893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54455893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3998 + ... + 11175.

It is an arithmetic number, because the mean of its divisors is an integer number (7063497).

Almost surely, 2^54455897 is an apocalyptic number.

It is an amenable number.

54455897 is a deficient number, since it is larger than the sum of its proper divisors (2052079).

54455897 is a wasteful number, since it uses less digits than its factorization.

54455897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15307.

The product of its digits is 1008000, while the sum is 47.

The square root of 54455897 is about 7379.4238935028. The cubic root of 54455897 is about 379.0370285202.

The spelling of 54455897 in words is "fifty-four million, four hundred fifty-five thousand, eight hundred ninety-seven".