54537540 has 24 divisors (see below), whose sum is σ = 152705280. Its totient is φ = 14543328.

The previous prime is 54537533. The next prime is 54537551. The reversal of 54537540 is 4573545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454420 + ... + 454539.

It is an arithmetic number, because the mean of its divisors is an integer number (6362720).

Almost surely, 2^54537540 is an apocalyptic number.

It is an amenable number.

54537540 is an abundant number, since it is smaller than the sum of its proper divisors (98167740).

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

54537540 is a wasteful number, since it uses less digits than its factorization.

54537540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908971 (or 908969 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 54537540 is about 7384.9536220615. The cubic root of 54537540 is about 379.2263576811.

The spelling of 54537540 in words is "fifty-four million, five hundred thirty-seven thousand, five hundred forty".