5255555525 has 48 divisors (see below), whose sum is σ = 7669919808. Its totient is φ = 3529344000.

The previous prime is 5255555507. The next prime is 5255555579.

It is a happy number.

5255555525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5255555525 - 2¹⁶ = 5255489989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237170 + ... + 258380.

It is an arithmetic number, because the mean of its divisors is an integer number (159789996).

Almost surely, 2^5255555525 is an apocalyptic number.

5255555525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5255555525 is a deficient number, since it is larger than the sum of its proper divisors (2414364283).

5255555525 is a wasteful number, since it uses less digits than its factorization.

5255555525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21302 (or 21297 counting only the distinct ones).

The product of its digits is 1562500, while the sum is 44.

The square root of 5255555525 is about 72495.2103590299. The cubic root of 5255555525 is about 1738.6261588010.

The spelling of 5255555525 in words is "five billion, two hundred fifty-five million, five hundred fifty-five thousand, five hundred twenty-five".