1055783065 has 4 divisors (see below), whose sum is σ = 1266939684. Its totient is φ = 844626448.

The previous prime is 1055783033. The next prime is 1055783093. The reversal of 1055783065 is 5603875501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 753996681 + 301786384 = 27459^2 + 17372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055783065 - 2⁵ = 1055783033 is a prime.

It is a super-2 number, since 2×1055783065² = 2229355760681588450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105578302 + ... + 105578311.

It is an arithmetic number, because the mean of its divisors is an integer number (316734921).

Almost surely, 2^1055783065 is an apocalyptic number.

It is an amenable number.

1055783065 is a deficient number, since it is larger than the sum of its proper divisors (211156619).

1055783065 is an equidigital number, since it uses as much as digits as its factorization.

1055783065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211156618.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 1055783065 is about 32492.8155905271. The cubic root of 1055783065 is about 1018.2589371074.

The spelling of 1055783065 in words is "one billion, fifty-five million, seven hundred eighty-three thousand, sixty-five".