52253784 has 96 divisors (see below), whose sum is σ = 163509840. Its totient is φ = 14899200.

The previous prime is 52253777. The next prime is 52253797. The reversal of 52253784 is 48735225.

52253784 is a `hidden beast` number, since 522 + 53 + 7 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11524 + ... + 15404.

Almost surely, 2^52253784 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 52253784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81754920).

52253784 is an abundant number, since it is smaller than the sum of its proper divisors (111256056).

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

52253784 is a wasteful number, since it uses less digits than its factorization.

52253784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921 (or 3914 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 52253784 is about 7228.6778874148. The cubic root of 52253784 is about 373.8573430970.

It can be divided in two parts, 5225 and 3784, that added together give a palindrome (9009).

The spelling of 52253784 in words is "fifty-two million, two hundred fifty-three thousand, seven hundred eighty-four".