525553344 has 84 divisors (see below), whose sum is σ = 1524691896. Its totient is φ = 173058048.

The previous prime is 525553331. The next prime is 525553363. The reversal of 525553344 is 443355525.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 525553299 and 525553308.

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, 42312 + ... + 53304.

It is an arithmetic number, because the mean of its divisors is an integer number (18151094).

Almost surely, 2^525553344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525553344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762345948).

525553344 is an abundant number, since it is smaller than the sum of its proper divisors (999138552).

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

525553344 is a wasteful number, since it uses less digits than its factorization.

525553344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11094 (or 11081 counting only the distinct ones).

The product of its digits is 180000, while the sum is 36.

The square root of 525553344 is about 22924.9502507639. The cubic root of 525553344 is about 806.9976460548.

The spelling of 525553344 in words is "five hundred twenty-five million, five hundred fifty-three thousand, three hundred forty-four".