54640556 has 12 divisors (see below), whose sum is σ = 95679360. Its totient is φ = 27303600.

The previous prime is 54640543. The next prime is 54640559. The reversal of 54640556 is 65504645.

It is not an unprimeable number, because it can be changed into a prime (54640559) 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, 5906 + ... + 12006.

It is an arithmetic number, because the mean of its divisors is an integer number (7973280).

Almost surely, 2^54640556 is an apocalyptic number.

It is an amenable number.

54640556 is a deficient number, since it is larger than the sum of its proper divisors (41038804).

54640556 is a wasteful number, since it uses less digits than its factorization.

54640556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8344 (or 8342 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 54640556 is about 7391.9250537326. The cubic root of 54640556 is about 379.4649811488.

The spelling of 54640556 in words is "fifty-four million, six hundred forty thousand, five hundred fifty-six".