53974897 has 8 divisors (see below), whose sum is σ = 55539432. Its totient is φ = 52416000.

The previous prime is 53974891. The next prime is 53974909. The reversal of 53974897 is 79847935.

It can be written as a sum of positive squares in 4 ways, for example, as 25715041 + 28259856 = 5071^2 + 5316^2 .

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 53974897 - 2⁷ = 53974769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53974891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24897 + ... + 26977.

It is an arithmetic number, because the mean of its divisors is an integer number (6942429).

Almost surely, 2^53974897 is an apocalyptic number.

It is an amenable number.

53974897 is a deficient number, since it is larger than the sum of its proper divisors (1564535).

53974897 is a wasteful number, since it uses less digits than its factorization.

53974897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819.

The product of its digits is 1905120, while the sum is 52.

The square root of 53974897 is about 7346.7609869928. The cubic root of 53974897 is about 377.9177358938.

The spelling of 53974897 in words is "fifty-three million, nine hundred seventy-four thousand, eight hundred ninety-seven".