53028040 has 32 divisors (see below), whose sum is σ = 128492280. Its totient is φ = 19579392.

The previous prime is 53027977. The next prime is 53028043. The reversal of 53028040 is 4082035.

It can be written as a sum of positive squares in 4 ways, for example, as 21511044 + 31516996 = 4638^2 + 5614^2 .

It is not an unprimeable number, because it can be changed into a prime (53028043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50469 + ... + 51508.

Almost surely, 2^53028040 is an apocalyptic number.

It is an amenable number.

53028040 is an abundant number, since it is smaller than the sum of its proper divisors (75464240).

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

53028040 is a wasteful number, since it uses less digits than its factorization.

53028040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102001 (or 101997 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 53028040 is about 7282.0354297408. The cubic root of 53028040 is about 375.6948066696.

The spelling of 53028040 in words is "fifty-three million, twenty-eight thousand, forty".