54544540 has 24 divisors (see below), whose sum is σ = 115834320. Its totient is φ = 21571968.

The previous prime is 54544537. The next prime is 54544547. The reversal of 54544540 is 4544545.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54544547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13542 + ... + 17101.

It is an arithmetic number, because the mean of its divisors is an integer number (4826430).

Almost surely, 2^54544540 is an apocalyptic number.

It is an amenable number.

54544540 is an abundant number, since it is smaller than the sum of its proper divisors (61289780).

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

54544540 is a wasteful number, since it uses less digits than its factorization.

54544540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30741 (or 30739 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 54544540 is about 7385.4275434805. The cubic root of 54544540 is about 379.2425818021.

The spelling of 54544540 in words is "fifty-four million, five hundred forty-four thousand, five hundred forty".