505057047 has 16 divisors (see below), whose sum is σ = 737434368. Its totient is φ = 304926080.

The previous prime is 505057043. The next prime is 505057057. The reversal of 505057047 is 740750505.

It is a cyclic number.

It is not a de Polignac number, because 505057047 - 2² = 505057043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 505056999 and 505057017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505057043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20418 + ... + 37775.

It is an arithmetic number, because the mean of its divisors is an integer number (46089648).

Almost surely, 2^505057047 is an apocalyptic number.

505057047 is a deficient number, since it is larger than the sum of its proper divisors (232377321).

505057047 is a wasteful number, since it uses less digits than its factorization.

505057047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58470.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 505057047 is about 22473.4742974913. The cubic root of 505057047 is about 796.3674089648.

The spelling of 505057047 in words is "five hundred five million, fifty-seven thousand, forty-seven".