521334056 has 16 divisors (see below), whose sum is σ = 980229600. Its totient is φ = 259939504.

The previous prime is 521334041. The next prime is 521334097. The reversal of 521334056 is 650433125.

It is a super-2 number, since 2×521334056² = 543578395890822272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87890 + ... + 93633.

It is an arithmetic number, because the mean of its divisors is an integer number (61264350).

Almost surely, 2^521334056 is an apocalyptic number.

It is an amenable number.

521334056 is a deficient number, since it is larger than the sum of its proper divisors (458895544).

521334056 is a wasteful number, since it uses less digits than its factorization.

521334056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181888 (or 181884 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 521334056 is about 22832.7408779586. The cubic root of 521334056 is about 804.8322405457.

The spelling of 521334056 in words is "five hundred twenty-one million, three hundred thirty-four thousand, fifty-six".