1057994255 has 4 divisors (see below), whose sum is σ = 1269593112. Its totient is φ = 846395400.

The previous prime is 1057994251. The next prime is 1057994261. The reversal of 1057994255 is 5524997501.

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

It is not a de Polignac number, because 1057994255 - 2² = 1057994251 is a prime.

It is a super-2 number, since 2×1057994255² = 2238703687226010050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057994251) 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 3 ways as a sum of consecutive naturals, for example, 105799421 + ... + 105799430.

It is an arithmetic number, because the mean of its divisors is an integer number (317398278).

Almost surely, 2^1057994255 is an apocalyptic number.

1057994255 is a deficient number, since it is larger than the sum of its proper divisors (211598857).

1057994255 is an equidigital number, since it uses as much as digits as its factorization.

1057994255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211598856.

The product of its (nonzero) digits is 567000, while the sum is 47.

The square root of 1057994255 is about 32526.8236229731. The cubic root of 1057994255 is about 1018.9693084006.

The spelling of 1057994255 in words is "one billion, fifty-seven million, nine hundred ninety-four thousand, two hundred fifty-five".