505057156 has 24 divisors (see below), whose sum is σ = 921553920. Its totient is φ = 241893792.

The previous prime is 505057139. The next prime is 505057237. The reversal of 505057156 is 651750505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2410 + ... + 31873.

It is an arithmetic number, because the mean of its divisors is an integer number (38398080).

Almost surely, 2^505057156 is an apocalyptic number.

It is an amenable number.

505057156 is a deficient number, since it is larger than the sum of its proper divisors (416496764).

505057156 is a wasteful number, since it uses less digits than its factorization.

505057156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34443 (or 34441 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 505057156 is about 22473.4767225723. The cubic root of 505057156 is about 796.3674662547.

The spelling of 505057156 in words is "five hundred five million, fifty-seven thousand, one hundred fifty-six".