1055779313 has 4 divisors (see below), whose sum is σ = 1062504180. Its totient is φ = 1049054448.

The previous prime is 1055779279. The next prime is 1055779337. The reversal of 1055779313 is 3139775501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3139775501 = 1201 ⋅2614301.

It can be written as a sum of positive squares in 2 ways, for example, as 374151649 + 681627664 = 19343^2 + 26108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055779313 - 2⁸ = 1055779057 is a prime.

It is a super-2 number, since 2×1055779313² = 2229339915517503938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055779013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3362198 + ... + 3362511.

It is an arithmetic number, because the mean of its divisors is an integer number (265626045).

Almost surely, 2^1055779313 is an apocalyptic number.

It is an amenable number.

1055779313 is a deficient number, since it is larger than the sum of its proper divisors (6724867).

1055779313 is an equidigital number, since it uses as much as digits as its factorization.

1055779313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724866.

The product of its (nonzero) digits is 99225, while the sum is 41.

The square root of 1055779313 is about 32492.7578546359. The cubic root of 1055779313 is about 1018.2577308899.

The spelling of 1055779313 in words is "one billion, fifty-five million, seven hundred seventy-nine thousand, three hundred thirteen".