1055503693 has 2 divisors, whose sum is σ = 1055503694. Its totient is φ = 1055503692.

The previous prime is 1055503681. The next prime is 1055503697. The reversal of 1055503693 is 3963055501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 762477769 + 293025924 = 27613^2 + 17118^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055503693 - 2⁵ = 1055503661 is a prime.

It is a super-2 number, since 2×1055503693² = 2228176091873276498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055503697) 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 as a sum of consecutive naturals, namely, 527751846 + 527751847.

It is an arithmetic number, because the mean of its divisors is an integer number (527751847).

Almost surely, 2^1055503693 is an apocalyptic number.

It is an amenable number.

1055503693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055503693 is an equidigital number, since it uses as much as digits as its factorization.

1055503693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60750, while the sum is 37.

The square root of 1055503693 is about 32488.5163250032. The cubic root of 1055503693 is about 1018.1691149522.

The spelling of 1055503693 in words is "one billion, fifty-five million, five hundred three thousand, six hundred ninety-three".