53893720 has 48 divisors (see below), whose sum is σ = 123413760. Its totient is φ = 21180096.

The previous prime is 53893711. The next prime is 53893729. The reversal of 53893720 is 2739835.

53893720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53893711) and next prime (53893729).

It is a self number, because there is not a number n which added to its sum of digits gives 53893720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53893729) 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 11 ways as a sum of consecutive naturals, for example, 424297 + ... + 424423.

It is an arithmetic number, because the mean of its divisors is an integer number (2571120).

Almost surely, 2^53893720 is an apocalyptic number.

It is an amenable number.

53893720 is an abundant number, since it is smaller than the sum of its proper divisors (69520040).

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

53893720 is a wasteful number, since it uses less digits than its factorization.

53893720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 53893720 is about 7341.2342286567. The cubic root of 53893720 is about 377.7281809809.

The spelling of 53893720 in words is "fifty-three million, eight hundred ninety-three thousand, seven hundred twenty".