505511000057 has 16 divisors (see below), whose sum is σ = 593459011200. Its totient is φ = 421500682368.

The previous prime is 505511000051. The next prime is 505511000087. The reversal of 505511000057 is 750000115505.

It is a cyclic number.

It is not a de Polignac number, because 505511000057 - 2⁸ = 505510999801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505510999993 and 505511000029.

It is not an unprimeable number, because it can be changed into a prime (505511000051) 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, 1129253 + ... + 1512029.

It is an arithmetic number, because the mean of its divisors is an integer number (37091188200).

Almost surely, 2^505511000057 is an apocalyptic number.

It is an amenable number.

505511000057 is a deficient number, since it is larger than the sum of its proper divisors (87948011143).

505511000057 is a wasteful number, since it uses less digits than its factorization.

505511000057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387920.

The product of its (nonzero) digits is 4375, while the sum is 29.

The spelling of 505511000057 in words is "five hundred five billion, five hundred eleven million, fifty-seven", and thus it is an aban number.