54100897 has 4 divisors (see below), whose sum is σ = 54579780. Its totient is φ = 53622016.

The previous prime is 54100883. The next prime is 54100903. The reversal of 54100897 is 79800145.

It is a happy number.

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 10751841 + 43349056 = 3279^2 + 6584^2 .

It is a cyclic number.

It is not a de Polignac number, because 54100897 - 2⁷ = 54100769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54100597) 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, 239272 + ... + 239497.

It is an arithmetic number, because the mean of its divisors is an integer number (13644945).

Almost surely, 2^54100897 is an apocalyptic number.

It is an amenable number.

54100897 is a deficient number, since it is larger than the sum of its proper divisors (478883).

54100897 is a wasteful number, since it uses less digits than its factorization.

54100897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478882.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 54100897 is about 7355.3311958062. The cubic root of 54100897 is about 378.2115800830.

The spelling of 54100897 in words is "fifty-four million, one hundred thousand, eight hundred ninety-seven".