53853420 has 24 divisors (see below), whose sum is σ = 150789744. Its totient is φ = 14360896.

The previous prime is 53853379. The next prime is 53853469. The reversal of 53853420 is 2435835.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448719 + ... + 448838.

It is an arithmetic number, because the mean of its divisors is an integer number (6282906).

Almost surely, 2^53853420 is an apocalyptic number.

It is an amenable number.

53853420 is an abundant number, since it is smaller than the sum of its proper divisors (96936324).

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

53853420 is a wasteful number, since it uses less digits than its factorization.

53853420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897569 (or 897567 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 53853420 is about 7338.4889452802. The cubic root of 53853420 is about 377.6340064862.

The spelling of 53853420 in words is "fifty-three million, eight hundred fifty-three thousand, four hundred twenty".