2056515530 has 16 divisors (see below), whose sum is σ = 3702684744. Its totient is φ = 822393600.

The previous prime is 2056515523. The next prime is 2056515563. The reversal of 2056515530 is 355156502.

It can be written as a sum of positive squares in 4 ways, for example, as 1096073449 + 960442081 = 33107^2 + 30991^2 .

It is a super-2 number, since 2×2056515530² = 8458512250262361800, which contains 22 as substring.

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, 17534 + ... + 66486.

Almost surely, 2^2056515530 is an apocalyptic number.

2056515530 is a deficient number, since it is larger than the sum of its proper divisors (1646169214).

2056515530 is a wasteful number, since it uses less digits than its factorization.

2056515530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53161.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 2056515530 is about 45348.8206020840. The cubic root of 2056515530 is about 1271.6785068372.

The spelling of 2056515530 in words is "two billion, fifty-six million, five hundred fifteen thousand, five hundred thirty".