1055723285 has 8 divisors (see below), whose sum is σ = 1288340640. Its totient is φ = 830263504.

The previous prime is 1055723281. The next prime is 1055723287. The reversal of 1055723285 is 5823275501.

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 1055723285 - 2² = 1055723281 is a prime.

It is a super-2 number, since 2×1055723285² = 2229103308982382450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055723281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789067 + ... + 1789656.

It is an arithmetic number, because the mean of its divisors is an integer number (161042580).

Almost surely, 2^1055723285 is an apocalyptic number.

It is an amenable number.

1055723285 is a deficient number, since it is larger than the sum of its proper divisors (232617355).

1055723285 is an equidigital number, since it uses as much as digits as its factorization.

1055723285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578787.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 1055723285 is about 32491.8956818466. The cubic root of 1055723285 is about 1018.2397183019.

Adding to 1055723285 its reverse (5823275501), we get a palindrome (6878998786).

The spelling of 1055723285 in words is "one billion, fifty-five million, seven hundred twenty-three thousand, two hundred eighty-five".