5542643540 has 96 divisors (see below), whose sum is σ = 13631514624. Its totient is φ = 1853729280.

The previous prime is 5542643537. The next prime is 5542643567. The reversal of 5542643540 is 453462455.

It is a junction number, because it is equal to n+sod(n) for n = 5542643494 and 5542643503.

It is a congruent number.

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, 1340957 + ... + 1345083.

It is an arithmetic number, because the mean of its divisors is an integer number (141994944).

Almost surely, 2^5542643540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5542643540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6815757312).

5542643540 is an abundant number, since it is smaller than the sum of its proper divisors (8088871084).

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

5542643540 is a wasteful number, since it uses less digits than its factorization.

5542643540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377 (or 4375 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The square root of 5542643540 is about 74448.9324302236. The cubic root of 5542643540 is about 1769.7244445326.

The spelling of 5542643540 in words is "five billion, five hundred forty-two million, six hundred forty-three thousand, five hundred forty".