1055653663 has 2 divisors, whose sum is σ = 1055653664. Its totient is φ = 1055653662.

The previous prime is 1055653639. The next prime is 1055653681. The reversal of 1055653663 is 3663565501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1055653663 - 2²⁹ = 518782751 is a prime.

It is a super-2 number, since 2×1055653663² = 2228809312410635138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055653603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527826831 + 527826832.

It is an arithmetic number, because the mean of its divisors is an integer number (527826832).

Almost surely, 2^1055653663 is an apocalyptic number.

1055653663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055653663 is an equidigital number, since it uses as much as digits as its factorization.

1055653663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 40.

The square root of 1055653663 is about 32490.8242893282. The cubic root of 1055653663 is about 1018.2173344553.

The spelling of 1055653663 in words is "one billion, fifty-five million, six hundred fifty-three thousand, six hundred sixty-three".