505050057 has 6 divisors (see below), whose sum is σ = 729516762. Its totient is φ = 336700032.

The previous prime is 505050053. The next prime is 505050067. The reversal of 505050057 is 750050505.

It can be written as a sum of positive squares in only one way, i.e., 504496521 + 553536 = 22461^2 + 744^2 .

It is not a de Polignac number, because 505050057 - 2² = 505050053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505050057.

It is not an unprimeable number, because it can be changed into a prime (505050053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28058328 + ... + 28058345.

It is an arithmetic number, because the mean of its divisors is an integer number (121586127).

Almost surely, 2^505050057 is an apocalyptic number.

It is an amenable number.

505050057 is a deficient number, since it is larger than the sum of its proper divisors (224466705).

505050057 is a wasteful number, since it uses less digits than its factorization.

505050057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56116679 (or 56116676 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 27.

The square root of 505050057 is about 22473.3187802781. The cubic root of 505050057 is about 796.3637350340.

The spelling of 505050057 in words is "five hundred five million, fifty thousand, fifty-seven".