1055345609 has 8 divisors (see below), whose sum is σ = 1072542240. Its totient is φ = 1038191616.

The previous prime is 1055345591. The next prime is 1055345677. The reversal of 1055345609 is 9065435501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1055345609 - 2²⁰ = 1054297033 is a prime.

It is a super-2 number, since 2×1055345609² = 2227508708871161762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055345209) 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 in 7 ways as a sum of consecutive naturals, for example, 41282 + ... + 61764.

It is an arithmetic number, because the mean of its divisors is an integer number (134067780).

Almost surely, 2^1055345609 is an apocalyptic number.

It is an amenable number.

1055345609 is a deficient number, since it is larger than the sum of its proper divisors (17196631).

1055345609 is an equidigital number, since it uses as much as digits as its factorization.

1055345609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21319.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 1055345609 is about 32486.0833127048. The cubic root of 1055345609 is about 1018.1182816285.

The spelling of 1055345609 in words is "one billion, fifty-five million, three hundred forty-five thousand, six hundred nine".