525552525550 has 24 divisors (see below), whose sum is σ = 1052722137096. Its totient is φ = 194050163040.

The previous prime is 525552525529. The next prime is 525552525559. The reversal of 525552525550 is 55525255525.

It is a super-2 number, since 2×525552525550² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 525552525550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525552525559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404270524 + ... + 404271823.

It is an arithmetic number, because the mean of its divisors is an integer number (43863422379).

Almost surely, 2^525552525550 is an apocalyptic number.

525552525550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

525552525550 is an abundant number, since it is smaller than the sum of its proper divisors (527169611546).

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

525552525550 is a wasteful number, since it uses less digits than its factorization.

525552525550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808542372 (or 808542367 counting only the distinct ones).

The product of its (nonzero) digits is 3125000, while the sum is 46.

The spelling of 525552525550 in words is "five hundred twenty-five billion, five hundred fifty-two million, five hundred twenty-five thousand, five hundred fifty".