52399854 has 48 divisors (see below), whose sum is σ = 124304544. Its totient is φ = 15854400.

The previous prime is 52399801. The next prime is 52399901. The reversal of 52399854 is 45899325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12439 + ... + 16109.

It is an arithmetic number, because the mean of its divisors is an integer number (2589678).

Almost surely, 2^52399854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52399854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62152272).

52399854 is an abundant number, since it is smaller than the sum of its proper divisors (71904690).

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

52399854 is a wasteful number, since it uses less digits than its factorization.

52399854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753 (or 3750 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 52399854 is about 7238.7743437684. The cubic root of 52399854 is about 374.2053787281.

The spelling of 52399854 in words is "fifty-two million, three hundred ninety-nine thousand, eight hundred fifty-four".