53878336 has 14 divisors (see below), whose sum is σ = 106914950. Its totient is φ = 26939136.

The previous prime is 53878333. The next prime is 53878337. The reversal of 53878336 is 63387835.

It can be written as a sum of positive squares in only one way, i.e., 53582400 + 295936 = 7320^2 + 544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53878292 and 53878301.

It is not an unprimeable number, because it can be changed into a prime (53878333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420861 + ... + 420988.

Almost surely, 2^53878336 is an apocalyptic number.

It is an amenable number.

53878336 is a deficient number, since it is larger than the sum of its proper divisors (53036614).

53878336 is an equidigital number, since it uses as much as digits as its factorization.

53878336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841861 (or 841851 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 53878336 is about 7340.1863736556. The cubic root of 53878336 is about 377.6922366363.

The spelling of 53878336 in words is "fifty-three million, eight hundred seventy-eight thousand, three hundred thirty-six".