54071540 has 12 divisors (see below), whose sum is σ = 113550276. Its totient is φ = 21628608.

The previous prime is 54071539. The next prime is 54071561. The reversal of 54071540 is 4517045.

It can be written as a sum of positive squares in 2 ways, for example, as 42484324 + 11587216 = 6518^2 + 3404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351769 + ... + 1351808.

It is an arithmetic number, because the mean of its divisors is an integer number (9462523).

Almost surely, 2^54071540 is an apocalyptic number.

It is an amenable number.

54071540 is an abundant number, since it is smaller than the sum of its proper divisors (59478736).

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

54071540 is a wasteful number, since it uses less digits than its factorization.

54071540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703586 (or 2703584 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 54071540 is about 7353.3352976728. The cubic root of 54071540 is about 378.1431575189.

Adding to 54071540 its reverse (4517045), we get a palindrome (58588585).

The spelling of 54071540 in words is "fifty-four million, seventy-one thousand, five hundred forty".