505000555057 has 2 divisors, whose sum is σ = 505000555058. Its totient is φ = 505000555056.

The previous prime is 505000554997. The next prime is 505000555061. The reversal of 505000555057 is 750555000505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257788737441 + 247211817616 = 507729^2 + 497204^2 .

It is a cyclic number.

It is not a de Polignac number, because 505000555057 - 2³⁵ = 470640816689 is a prime.

It is not a weakly prime, because it can be changed into another prime (505000550057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252500277528 + 252500277529.

It is an arithmetic number, because the mean of its divisors is an integer number (252500277529).

Almost surely, 2^505000555057 is an apocalyptic number.

It is an amenable number.

505000555057 is a deficient number, since it is larger than the sum of its proper divisors (1).

505000555057 is an equidigital number, since it uses as much as digits as its factorization.

505000555057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109375, while the sum is 37.

The spelling of 505000555057 in words is "five hundred five billion, five hundred fifty-five thousand, fifty-seven".