53093040 has 480 divisors, whose sum is σ = 235270656. Its totient is φ = 9584640.

The previous prime is 53093017. The next prime is 53093041. The reversal of 53093040 is 4039035.

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 53093040.

It is not an unprimeable number, because it can be changed into a prime (53093041) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3123112 + ... + 3123128.

Almost surely, 2^53093040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53093040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117635328).

53093040 is an abundant number, since it is smaller than the sum of its proper divisors (182177616).

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

53093040 is a wasteful number, since it uses less digits than its factorization.

53093040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 53093040 is about 7286.4971008023. The cubic root of 53093040 is about 375.8482487065.

The spelling of 53093040 in words is "fifty-three million, ninety-three thousand, forty".