5725052538 has 16 divisors (see below), whose sum is σ = 11482917600. Its totient is φ = 1902882096.

The previous prime is 5725052483. The next prime is 5725052569. The reversal of 5725052538 is 8352505275.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5725052538.

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, 1364920 + ... + 1369107.

It is an arithmetic number, because the mean of its divisors is an integer number (717682350).

Almost surely, 2^5725052538 is an apocalyptic number.

5725052538 is an abundant number, since it is smaller than the sum of its proper divisors (5757865062).

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

5725052538 is a wasteful number, since it uses less digits than its factorization.

5725052538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734381.

The product of its (nonzero) digits is 420000, while the sum is 42.

The square root of 5725052538 is about 75664.0769321876. The cubic root of 5725052538 is about 1788.9292242436.

The spelling of 5725052538 in words is "five billion, seven hundred twenty-five million, fifty-two thousand, five hundred thirty-eight".