54125540 has 24 divisors (see below), whose sum is σ = 129901632. Its totient is φ = 18557280.

The previous prime is 54125521. The next prime is 54125543. The reversal of 54125540 is 4552145.

It is not an unprimeable number, because it can be changed into a prime (54125543) 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, 193166 + ... + 193445.

It is an arithmetic number, because the mean of its divisors is an integer number (5412568).

Almost surely, 2^54125540 is an apocalyptic number.

It is an amenable number.

54125540 is an abundant number, since it is smaller than the sum of its proper divisors (75776092).

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

54125540 is a wasteful number, since it uses less digits than its factorization.

54125540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386627 (or 386625 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 54125540 is about 7357.0061845835. The cubic root of 54125540 is about 378.2689965875.

Adding to 54125540 its reverse (4552145), we get a palindrome (58677685).

The spelling of 54125540 in words is "fifty-four million, one hundred twenty-five thousand, five hundred forty".