53678397 has 8 divisors (see below), whose sum is σ = 71614944. Its totient is φ = 35763728.

The previous prime is 53678393. The next prime is 53678407. The reversal of 53678397 is 79387635.

53678397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53678397 - 2² = 53678393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53678393) 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, 1543 + ... + 10475.

It is an arithmetic number, because the mean of its divisors is an integer number (8951868).

Almost surely, 2^53678397 is an apocalyptic number.

It is an amenable number.

53678397 is a deficient number, since it is larger than the sum of its proper divisors (17936547).

53678397 is a wasteful number, since it uses less digits than its factorization.

53678397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10939.

The product of its digits is 952560, while the sum is 48.

The square root of 53678397 is about 7326.5542378392. The cubic root of 53678397 is about 377.2244604224.

The spelling of 53678397 in words is "fifty-three million, six hundred seventy-eight thousand, three hundred ninety-seven".