53075472 has 80 divisors (see below), whose sum is σ = 144419328. Its totient is φ = 16773120.

The previous prime is 53075471. The next prime is 53075483. The reversal of 53075472 is 27457035.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53075471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78528 + ... + 79200.

Almost surely, 2^53075472 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 53075472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72209664).

53075472 is an abundant number, since it is smaller than the sum of its proper divisors (91343856).

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

53075472 is a wasteful number, since it uses less digits than its factorization.

53075472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 53075472 is about 7285.2914835304. The cubic root of 53075472 is about 375.8067892205.

The spelling of 53075472 in words is "fifty-three million, seventy-five thousand, four hundred seventy-two".