5255450400 has 144 divisors (see below), whose sum is σ = 17569125504. Its totient is φ = 1363553280.

The previous prime is 5255450393. The next prime is 5255450419. The reversal of 5255450400 is 40545525.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59209 + ... + 118391.

It is an arithmetic number, because the mean of its divisors is an integer number (122007816).

Almost surely, 2^5255450400 is an apocalyptic number.

5255450400 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 5255450400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8784562752).

5255450400 is an abundant number, since it is smaller than the sum of its proper divisors (12313675104).

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

5255450400 is a wasteful number, since it uses less digits than its factorization.

5255450400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59243 (or 59230 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 5255450400 is about 72494.4853075046. The cubic root of 5255450400 is about 1738.6145663511.

Adding to 5255450400 its reverse (40545525), we get a palindrome (5295995925).

The spelling of 5255450400 in words is "five billion, two hundred fifty-five million, four hundred fifty thousand, four hundred".