505050543 has 12 divisors (see below), whose sum is σ = 753050688. Its totient is φ = 325838880.

The previous prime is 505050529. The next prime is 505050563. The reversal of 505050543 is 345050505.

It is not a de Polignac number, because 505050543 - 2²¹ = 502953391 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505050563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 904830 + ... + 905387.

It is an arithmetic number, because the mean of its divisors is an integer number (62754224).

Almost surely, 2^505050543 is an apocalyptic number.

505050543 is a deficient number, since it is larger than the sum of its proper divisors (248000145).

505050543 is a wasteful number, since it uses less digits than its factorization.

505050543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810254 (or 1810251 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 505050543 is about 22473.3295930977. The cubic root of 505050543 is about 796.3639904758.

The spelling of 505050543 in words is "five hundred five million, fifty thousand, five hundred forty-three".