5255720526 has 16 divisors (see below), whose sum is σ = 12013075584. Its totient is φ = 1501634424.

The previous prime is 5255720507. The next prime is 5255720551. The reversal of 5255720526 is 6250275525.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62568060 + ... + 62568143.

It is an arithmetic number, because the mean of its divisors is an integer number (750817224).

Almost surely, 2^5255720526 is an apocalyptic number.

5255720526 is an abundant number, since it is smaller than the sum of its proper divisors (6757355058).

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

5255720526 is a wasteful number, since it uses less digits than its factorization.

5255720526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125136215.

The product of its (nonzero) digits is 210000, while the sum is 39.

The square root of 5255720526 is about 72496.3483632107. The cubic root of 5255720526 is about 1738.6443536459.

The spelling of 5255720526 in words is "five billion, two hundred fifty-five million, seven hundred twenty thousand, five hundred twenty-six".