1055813996 has 24 divisors (see below), whose sum is σ = 1910246016. Its totient is φ = 510082560.

The previous prime is 1055813989. The next prime is 1055813999. The reversal of 1055813996 is 6993185501.

It is a super-2 number, since 2×1055813996² = 2229486388298976032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055813996.

It is not an unprimeable number, because it can be changed into a prime (1055813999) 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, 77660 + ... + 90236.

It is an arithmetic number, because the mean of its divisors is an integer number (79593584).

Almost surely, 2^1055813996 is an apocalyptic number.

It is an amenable number.

1055813996 is a deficient number, since it is larger than the sum of its proper divisors (854432020).

1055813996 is a wasteful number, since it uses less digits than its factorization.

1055813996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13289 (or 13287 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 1055813996 is about 32493.2915537961. The cubic root of 1055813996 is about 1018.2688808988.

The spelling of 1055813996 in words is "one billion, fifty-five million, eight hundred thirteen thousand, nine hundred ninety-six".