52823040 has 176 divisors, whose sum is σ = 178825920. Its totient is φ = 13271040.

The previous prime is 52823027. The next prime is 52823041. The reversal of 52823040 is 4032825.

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 52823040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52823041) 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, 291750 + ... + 291930.

Almost surely, 2^52823040 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 52823040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89412960).

52823040 is an abundant number, since it is smaller than the sum of its proper divisors (126002880).

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

52823040 is a wasteful number, since it uses less digits than its factorization.

52823040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 52823040 is about 7267.9460647421. The cubic root of 52823040 is about 375.2100512096.

Adding to 52823040 its reverse (4032825), we get a palindrome (56855865).

The spelling of 52823040 in words is "fifty-two million, eight hundred twenty-three thousand, forty".