53678919 has 8 divisors (see below), whose sum is σ = 81796480. Its totient is φ = 30673656.

The previous prime is 53678899. The next prime is 53678923. The reversal of 53678919 is 91987635.

53678919 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 not a de Polignac number, because 53678919 - 2⁷ = 53678791 is a prime.

It is a super-2 number, since 2×53678919² = 5762852690017122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53678969) 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, 1278049 + ... + 1278090.

It is an arithmetic number, because the mean of its divisors is an integer number (10224560).

Almost surely, 2^53678919 is an apocalyptic number.

53678919 is a deficient number, since it is larger than the sum of its proper divisors (28117561).

53678919 is a wasteful number, since it uses less digits than its factorization.

53678919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556149.

The product of its digits is 408240, while the sum is 48.

The square root of 53678919 is about 7326.5898615932. The cubic root of 53678919 is about 377.2256832018.

The spelling of 53678919 in words is "fifty-three million, six hundred seventy-eight thousand, nine hundred nineteen".