2056636572 has 24 divisors (see below), whose sum is σ = 4829388816. Its totient is φ = 681178368.

The previous prime is 2056636567. The next prime is 2056636577. The reversal of 2056636572 is 2756366502.

It is an interprime number because it is at equal distance from previous prime (2056636567) and next prime (2056636577).

It is a super-2 number, since 2×2056636572² = 8459507978575822368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056636577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543933 + ... + 547700.

It is an arithmetic number, because the mean of its divisors is an integer number (201224534).

Almost surely, 2^2056636572 is an apocalyptic number.

It is an amenable number.

2056636572 is an abundant number, since it is smaller than the sum of its proper divisors (2772752244).

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

2056636572 is a wasteful number, since it uses less digits than its factorization.

2056636572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091797 (or 1091795 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 2056636572 is about 45350.1551485769. The cubic root of 2056636572 is about 1271.7034557517.

The spelling of 2056636572 in words is "two billion, fifty-six million, six hundred thirty-six thousand, five hundred seventy-two".