511920057 has 16 divisors (see below), whose sum is σ = 758662848. Its totient is φ = 304399680.

The previous prime is 511920053. The next prime is 511920067. The reversal of 511920057 is 750029115.

It is not a de Polignac number, because 511920057 - 2² = 511920053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (511920053) 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, 144598 + ... + 148095.

It is an arithmetic number, because the mean of its divisors is an integer number (47416428).

Almost surely, 2^511920057 is an apocalyptic number.

It is an amenable number.

511920057 is a deficient number, since it is larger than the sum of its proper divisors (246742791).

511920057 is a wasteful number, since it uses less digits than its factorization.

511920057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292760.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 511920057 is about 22625.6504215901. The cubic root of 511920057 is about 799.9583608536.

The spelling of 511920057 in words is "five hundred eleven million, nine hundred twenty thousand, fifty-seven".