505528050555 has 48 divisors (see below), whose sum is σ = 961189014240. Its totient is φ = 243750297600.

The previous prime is 505528050541. The next prime is 505528050571. The reversal of 505528050555 is 555050825505.

It is not a de Polignac number, because 505528050555 - 2⁸ = 505528050299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 505528050555.

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, 2731590 + ... + 2910779.

It is an arithmetic number, because the mean of its divisors is an integer number (20024771130).

Almost surely, 2^505528050555 is an apocalyptic number.

505528050555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

505528050555 is a deficient number, since it is larger than the sum of its proper divisors (455660963685).

505528050555 is a wasteful number, since it uses less digits than its factorization.

505528050555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642572 (or 5642569 counting only the distinct ones).

The product of its (nonzero) digits is 1250000, while the sum is 45.

The spelling of 505528050555 in words is "five hundred five billion, five hundred twenty-eight million, fifty thousand, five hundred fifty-five".