52495840 has 96 divisors (see below), whose sum is σ = 129548160. Its totient is φ = 20089344.

The previous prime is 52495801. The next prime is 52495843. The reversal of 52495840 is 4859425.

It is a self number, because there is not a number n which added to its sum of digits gives 52495840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52495843) 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, 632439 + ... + 632521.

It is an arithmetic number, because the mean of its divisors is an integer number (1349460).

Almost surely, 2^52495840 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 52495840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64774080).

52495840 is an abundant number, since it is smaller than the sum of its proper divisors (77052320).

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

52495840 is a wasteful number, since it uses less digits than its factorization.

52495840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 52495840 is about 7245.4013001351. The cubic root of 52495840 is about 374.4337290333.

It can be divided in two parts, 52495 and 840, that added together give a palindrome (53335).

The spelling of 52495840 in words is "fifty-two million, four hundred ninety-five thousand, eight hundred forty".