52550434400 has 36 divisors (see below), whose sum is σ = 128288749932. Its totient is φ = 21020173440.

The previous prime is 52550434369. The next prime is 52550434429. The reversal of 52550434400 is 443405525.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32843222 + ... + 32844821.

It is an arithmetic number, because the mean of its divisors is an integer number (3563576387).

Almost surely, 2^52550434400 is an apocalyptic number.

52550434400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52550434400 is an abundant number, since it is smaller than the sum of its proper divisors (75738315532).

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

52550434400 is a wasteful number, since it uses less digits than its factorization.

52550434400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65688063 (or 65688050 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 52550434400 its reverse (443405525), we get a palindrome (52993839925).

The spelling of 52550434400 in words is "fifty-two billion, five hundred fifty million, four hundred thirty-four thousand, four hundred".