1055545664 has 28 divisors (see below), whose sum is σ = 2106193908. Its totient is φ = 524851200.

The previous prime is 1055545661. The next prime is 1055545717. The reversal of 1055545664 is 4665455501.

1055545664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 360696064 + 694849600 = 18992^2 + 26360^2 .

It is a super-2 number, since 2×1055545664² = 2228353297578401792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055545661) 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, 33977 + ... + 57144.

It is an arithmetic number, because the mean of its divisors is an integer number (75221211).

Almost surely, 2^1055545664 is an apocalyptic number.

It is an amenable number.

1055545664 is a deficient number, since it is larger than the sum of its proper divisors (1050648244).

1055545664 is an equidigital number, since it uses as much as digits as its factorization.

1055545664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91314 (or 91304 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The square root of 1055545664 is about 32489.1622545119. The cubic root of 1055545664 is about 1018.1826102498.

The spelling of 1055545664 in words is "one billion, fifty-five million, five hundred forty-five thousand, six hundred sixty-four".