2056217502 has 48 divisors (see below), whose sum is σ = 4268693520. Its totient is φ = 659832192.

The previous prime is 2056217497. The next prime is 2056217509. The reversal of 2056217502 is 2057126502.

It is a super-2 number, since 2×2056217502² = 8456060831062240008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2056217502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056217509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2541274 + ... + 2542082.

It is an arithmetic number, because the mean of its divisors is an integer number (88931115).

Almost surely, 2^2056217502 is an apocalyptic number.

2056217502 is an abundant number, since it is smaller than the sum of its proper divisors (2212476018).

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

2056217502 is a wasteful number, since it uses less digits than its factorization.

2056217502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2056217502 is about 45345.5345320793. The cubic root of 2056217502 is about 1271.6170737796.

The spelling of 2056217502 in words is "two billion, fifty-six million, two hundred seventeen thousand, five hundred two".