500542766550 has 72 divisors (see below), whose sum is σ = 1423896974136. Its totient is φ = 125626417920.

The previous prime is 500542766543. The next prime is 500542766599. The reversal of 500542766550 is 55667245005.

500542766550 is a `hidden beast` number, since 50 + 0 + 5 + 42 + 7 + 6 + 6 + 550 = 666.

It is a super-2 number, since 2×500542766550² (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 500542766496 and 500542766505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32707564 + ... + 32722863.

It is an arithmetic number, because the mean of its divisors is an integer number (19776346863).

Almost surely, 2^500542766550 is an apocalyptic number.

500542766550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500542766550 is an abundant number, since it is smaller than the sum of its proper divisors (923354207586).

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

500542766550 is a wasteful number, since it uses less digits than its factorization.

500542766550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65430462 (or 65430454 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 500542766550 in words is "five hundred billion, five hundred forty-two million, seven hundred sixty-six thousand, five hundred fifty".