1055778982 has 16 divisors (see below), whose sum is σ = 1749732192. Its totient is φ = 475235200.

The previous prime is 1055778953. The next prime is 1055779003. The reversal of 1055778982 is 2898775501.

It is a happy number.

It is a super-2 number, since 2×1055778982² = 2229338517665912648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 674269 + ... + 675832.

It is an arithmetic number, because the mean of its divisors is an integer number (109358262).

Almost surely, 2^1055778982 is an apocalyptic number.

1055778982 is a deficient number, since it is larger than the sum of its proper divisors (693953210).

1055778982 is a wasteful number, since it uses less digits than its factorization.

1055778982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350143.

The product of its (nonzero) digits is 1411200, while the sum is 52.

The square root of 1055778982 is about 32492.7527611928. The cubic root of 1055778982 is about 1018.2576244777.

The spelling of 1055778982 in words is "one billion, fifty-five million, seven hundred seventy-eight thousand, nine hundred eighty-two".