52012254400 has 84 divisors (see below), whose sum is σ = 128044247848. Its totient is φ = 20794890240.

The previous prime is 52012254299. The next prime is 52012254421. The reversal of 52012254400 is 445221025.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3940612 + ... + 3953788.

Almost surely, 2^52012254400 is an apocalyptic number.

52012254400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52012254400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64022123924).

52012254400 is an abundant number, since it is smaller than the sum of its proper divisors (76031993448).

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

52012254400 is a wasteful number, since it uses less digits than its factorization.

52012254400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15666 (or 15651 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 52012254400 its reverse (445221025), we get a palindrome (52457475425).

The spelling of 52012254400 in words is "fifty-two billion, twelve million, two hundred fifty-four thousand, four hundred".