54773540 has 24 divisors (see below), whose sum is σ = 117831672. Its totient is φ = 21374720.

The previous prime is 54773531. The next prime is 54773567. The reversal of 54773540 is 4537745.

It can be written as a sum of positive squares in 4 ways, for example, as 692224 + 54081316 = 832^2 + 7354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54773540.

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, 32579 + ... + 34218.

It is an arithmetic number, because the mean of its divisors is an integer number (4909653).

Almost surely, 2^54773540 is an apocalyptic number.

It is an amenable number.

54773540 is an abundant number, since it is smaller than the sum of its proper divisors (63058132).

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

54773540 is a wasteful number, since it uses less digits than its factorization.

54773540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66847 (or 66845 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 54773540 is about 7400.9148083193. The cubic root of 54773540 is about 379.7725786020.

The spelling of 54773540 in words is "fifty-four million, seven hundred seventy-three thousand, five hundred forty".