2056530156 has 24 divisors (see below), whose sum is σ = 4843419840. Its totient is φ = 679102992.

The previous prime is 2056530143. The next prime is 2056530187. The reversal of 2056530156 is 6510356502.

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, 799546 + ... + 802113.

It is an arithmetic number, because the mean of its divisors is an integer number (201809160).

Almost surely, 2^2056530156 is an apocalyptic number.

It is an amenable number.

2056530156 is an abundant number, since it is smaller than the sum of its proper divisors (2786889684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2056530156 is a wasteful number, since it uses less digits than its factorization.

2056530156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601773 (or 1601771 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 2056530156 is about 45348.9818628820. The cubic root of 2056530156 is about 1271.6815215686.

Adding to 2056530156 its reverse (6510356502), we get a palindrome (8566886658).

It can be divided in two parts, 20565 and 30156, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 2056530156 in words is "two billion, fifty-six million, five hundred thirty thousand, one hundred fifty-six".