540055644 has 48 divisors (see below), whose sum is σ = 1288535808. Its totient is φ = 176001408.

The previous prime is 540055597. The next prime is 540055687. The reversal of 540055644 is 446550045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107697 + ... + 112599.

It is an arithmetic number, because the mean of its divisors is an integer number (26844496).

Almost surely, 2^540055644 is an apocalyptic number.

It is an amenable number.

540055644 is an abundant number, since it is smaller than the sum of its proper divisors (748480164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540055644 is a wasteful number, since it uses less digits than its factorization.

540055644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114 (or 5112 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 540055644 is about 23239.0973146549. The cubic root of 540055644 is about 814.3532545833.

The spelling of 540055644 in words is "five hundred forty million, fifty-five thousand, six hundred forty-four".