52550202400 has 72 divisors (see below), whose sum is σ = 128563802640. Its totient is φ = 20974920960.

The previous prime is 52550202371. The next prime is 52550202449. The reversal of 52550202400 is 420205525.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303271 + ... + 443929.

It is an arithmetic number, because the mean of its divisors is an integer number (1785608370).

Almost surely, 2^52550202400 is an apocalyptic number.

52550202400 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 52550202400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64281901320).

52550202400 is an abundant number, since it is smaller than the sum of its proper divisors (76013600240).

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

52550202400 is a wasteful number, since it uses less digits than its factorization.

52550202400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141146 (or 141133 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

Adding to 52550202400 its reverse (420205525), we get a palindrome (52970407925).

The spelling of 52550202400 in words is "fifty-two billion, five hundred fifty million, two hundred two thousand, four hundred".