5256550400 has 72 divisors (see below), whose sum is σ = 13033189260. Its totient is φ = 2102599680.

The previous prime is 5256550363. The next prime is 5256550417. The reversal of 5256550400 is 40556525.

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

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, 134 + ... + 102533.

Almost surely, 2^5256550400 is an apocalyptic number.

5256550400 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 5256550400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6516594630).

5256550400 is an abundant number, since it is smaller than the sum of its proper divisors (7776638860).

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

5256550400 is a wasteful number, since it uses less digits than its factorization.

5256550400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102699 (or 102674 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 5256550400 is about 72502.0716945385. The cubic root of 5256550400 is about 1738.7358590067.

The spelling of 5256550400 in words is "five billion, two hundred fifty-six million, five hundred fifty thousand, four hundred".