1055656566 has 48 divisors (see below), whose sum is σ = 2346552000. Its totient is φ = 342831744.

The previous prime is 1055656559. The next prime is 1055656573. The reversal of 1055656566 is 6656565501.

It is an interprime number because it is at equal distance from previous prime (1055656559) and next prime (1055656573).

It is a super-2 number, since 2×1055656566² = 2228821570677824712, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191010 + ... + 196458.

It is an arithmetic number, because the mean of its divisors is an integer number (48886500).

Almost surely, 2^1055656566 is an apocalyptic number.

1055656566 is an abundant number, since it is smaller than the sum of its proper divisors (1290895434).

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

1055656566 is a wasteful number, since it uses less digits than its factorization.

1055656566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733 (or 5730 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 1055656566 is about 32490.8689634488. The cubic root of 1055656566 is about 1018.2182678051.

The spelling of 1055656566 in words is "one billion, fifty-five million, six hundred fifty-six thousand, five hundred sixty-six".