5540753538 has 64 divisors (see below), whose sum is σ = 12567085440. Its totient is φ = 1809086400.

The previous prime is 5540753527. The next prime is 5540753551. The reversal of 5540753538 is 8353570455.

5540753538 is a `hidden beast` number, since 5 + 5 + 40 + 75 + 3 + 538 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5540753493 and 5540753502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650628 + ... + 659088.

It is an arithmetic number, because the mean of its divisors is an integer number (196360710).

Almost surely, 2^5540753538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5540753538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6283542720).

5540753538 is an abundant number, since it is smaller than the sum of its proper divisors (7026331902).

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

5540753538 is a wasteful number, since it uses less digits than its factorization.

5540753538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8720 (or 8714 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The square root of 5540753538 is about 74436.2380699079. The cubic root of 5540753538 is about 1769.5232671840.

The spelling of 5540753538 in words is "five billion, five hundred forty million, seven hundred fifty-three thousand, five hundred thirty-eight".