53622378 has 32 divisors (see below), whose sum is σ = 120947520. Its totient is φ = 17606160.

The previous prime is 53622377. The next prime is 53622397. The reversal of 53622378 is 87322635.

53622378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53622377) 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 15 ways as a sum of consecutive naturals, for example, 3793 + ... + 11028.

It is an arithmetic number, because the mean of its divisors is an integer number (3779610).

Almost surely, 2^53622378 is an apocalyptic number.

53622378 is an abundant number, since it is smaller than the sum of its proper divisors (67325142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53622378 is a wasteful number, since it uses less digits than its factorization.

53622378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14899 (or 14893 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 53622378 is about 7322.7302285418. The cubic root of 53622378 is about 377.0931904047.

The spelling of 53622378 in words is "fifty-three million, six hundred twenty-two thousand, three hundred seventy-eight".