505300502550 has 48 divisors (see below), whose sum is σ = 1253964330432. Its totient is φ = 134658727200.

The previous prime is 505300502533. The next prime is 505300502579. The reversal of 505300502550 is 55205003505.

It is a super-3 number, since 3×505300502550³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 870504 + ... + 1329803.

It is an arithmetic number, because the mean of its divisors is an integer number (26124256884).

Almost surely, 2^505300502550 is an apocalyptic number.

505300502550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505300502550 is an abundant number, since it is smaller than the sum of its proper divisors (748663827882).

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

505300502550 is a wasteful number, since it uses less digits than its factorization.

505300502550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201853 (or 2201848 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 30.

The spelling of 505300502550 in words is "five hundred five billion, three hundred million, five hundred two thousand, five hundred fifty".