54243535540 has 24 divisors (see below), whose sum is σ = 113928730272. Its totient is φ = 21694117920.

The previous prime is 54243535517. The next prime is 54243535561. The reversal of 54243535540 is 4553534245.

It is a super-2 number, since 2×54243535540² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54243535493 and 54243535502.

It is a congruent number.

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, 68854 + ... + 336493.

It is an arithmetic number, because the mean of its divisors is an integer number (4747030428).

Almost surely, 2^54243535540 is an apocalyptic number.

It is an amenable number.

54243535540 is an abundant number, since it is smaller than the sum of its proper divisors (59685194732).

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

54243535540 is a wasteful number, since it uses less digits than its factorization.

54243535540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412047 (or 412045 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

The spelling of 54243535540 in words is "fifty-four billion, two hundred forty-three million, five hundred thirty-five thousand, five hundred forty".