2055540664 has 16 divisors (see below), whose sum is σ = 3858546600. Its totient is φ = 1026594912.

The previous prime is 2055540649. The next prime is 2055540671. The reversal of 2055540664 is 4660455502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139474 + ... + 153505.

Almost surely, 2^2055540664 is an apocalyptic number.

It is an amenable number.

2055540664 is a deficient number, since it is larger than the sum of its proper divisors (1803005936).

2055540664 is a wasteful number, since it uses less digits than its factorization.

2055540664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293862 (or 293858 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 2055540664 is about 45338.0708014799. The cubic root of 2055540664 is about 1271.4775338705.

The spelling of 2055540664 in words is "two billion, fifty-five million, five hundred forty thousand, six hundred sixty-four".