1056565650 has 48 divisors (see below), whose sum is σ = 2994611904. Its totient is φ = 241500480.

The previous prime is 1056565639. The next prime is 1056565693. The reversal of 1056565650 is 565656501.

It is a super-2 number, since 2×1056565650² = 2232661945519845000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1056565599 and 1056565608.

It is an unprimeable number.

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, 502077 + ... + 504176.

It is an arithmetic number, because the mean of its divisors is an integer number (62387748).

Almost surely, 2^1056565650 is an apocalyptic number.

1056565650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1056565650 is an abundant number, since it is smaller than the sum of its proper divisors (1938046254).

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

1056565650 is a wasteful number, since it uses less digits than its factorization.

1056565650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006275 (or 1006270 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 1056565650 is about 32504.8557910968. The cubic root of 1056565650 is about 1018.5104652186.

The spelling of 1056565650 in words is "one billion, fifty-six million, five hundred sixty-five thousand, six hundred fifty".