53764840 has 32 divisors (see below), whose sum is σ = 125145000. Its totient is φ = 20763904.

The previous prime is 53764831. The next prime is 53764853. The reversal of 53764840 is 4846735.

It can be written as a sum of positive squares in 4 ways, for example, as 35497764 + 18267076 = 5958^2 + 4274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53764840.

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, 22015 + ... + 24334.

Almost surely, 2^53764840 is an apocalyptic number.

It is an amenable number.

53764840 is an abundant number, since it is smaller than the sum of its proper divisors (71380160).

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

53764840 is a wasteful number, since it uses less digits than its factorization.

53764840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46389 (or 46385 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 53764840 is about 7332.4511590600. The cubic root of 53764840 is about 377.4268442952.

The spelling of 53764840 in words is "fifty-three million, seven hundred sixty-four thousand, eight hundred forty".