525553056550 has 24 divisors (see below), whose sum is σ = 978737077800. Its totient is φ = 209961353280.

The previous prime is 525553056541. The next prime is 525553056551. The reversal of 525553056550 is 55650355525.

It is a self number, because there is not a number n which added to its sum of digits gives 525553056550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525553056551) 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, 6455880 + ... + 6536779.

It is an arithmetic number, because the mean of its divisors is an integer number (40780711575).

Almost surely, 2^525553056550 is an apocalyptic number.

525553056550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

525553056550 is a deficient number, since it is larger than the sum of its proper divisors (453184021250).

525553056550 is a wasteful number, since it uses less digits than its factorization.

525553056550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12993480 (or 12993475 counting only the distinct ones).

The product of its (nonzero) digits is 2812500, while the sum is 46.

The spelling of 525553056550 in words is "five hundred twenty-five billion, five hundred fifty-three million, fifty-six thousand, five hundred fifty".