53802240 has 72 divisors (see below), whose sum is σ = 171843168. Its totient is φ = 14346240.

The previous prime is 53802211. The next prime is 53802247. The reversal of 53802240 is 4220835.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 53802240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53802247) 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 in 7 ways as a sum of consecutive naturals, for example, 3166 + ... + 10845.

Almost surely, 2^53802240 is an apocalyptic number.

It is an amenable number.

53802240 is an abundant number, since it is smaller than the sum of its proper divisors (118040928).

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

53802240 is a wasteful number, since it uses less digits than its factorization.

53802240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14035 (or 14021 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 53802240 is about 7335.0010224948. The cubic root of 53802240 is about 377.5143394696.

The spelling of 53802240 in words is "fifty-three million, eight hundred two thousand, two hundred forty".