53935840 has 48 divisors (see below), whose sum is σ = 145629792. Its totient is φ = 18491904.

The previous prime is 53935799. The next prime is 53935867. The reversal of 53935840 is 4853935.

It is a self number, because there is not a number n which added to its sum of digits gives 53935840.

It is a congruent number.

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, 22959 + ... + 25198.

It is an arithmetic number, because the mean of its divisors is an integer number (3033954).

Almost surely, 2^53935840 is an apocalyptic number.

It is an amenable number.

53935840 is an abundant number, since it is smaller than the sum of its proper divisors (91693952).

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

53935840 is a wasteful number, since it uses less digits than its factorization.

53935840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48179 (or 48171 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 53935840 is about 7344.1023958003. The cubic root of 53935840 is about 377.8265583556.

The spelling of 53935840 in words is "fifty-three million, nine hundred thirty-five thousand, eight hundred forty".