53978614 has 8 divisors (see below), whose sum is σ = 81044640. Its totient is φ = 26963736.

The previous prime is 53978581. The next prime is 53978627. The reversal of 53978614 is 41687935.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10029 + ... + 14440.

It is an arithmetic number, because the mean of its divisors is an integer number (10130580).

Almost surely, 2^53978614 is an apocalyptic number.

53978614 is a deficient number, since it is larger than the sum of its proper divisors (27066026).

53978614 is a wasteful number, since it uses less digits than its factorization.

53978614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25574.

The product of its digits is 181440, while the sum is 43.

The square root of 53978614 is about 7347.0139512594. The cubic root of 53978614 is about 377.9264108400.

The spelling of 53978614 in words is "fifty-three million, nine hundred seventy-eight thousand, six hundred fourteen".