52049988 has 36 divisors (see below), whose sum is σ = 139311900. Its totient is φ = 16329216.

The previous prime is 52049981. The next prime is 52049993. The reversal of 52049988 is 88994025.

52049988 is a `hidden beast` number, since 520 + 49 + 9 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32970564 + 19079424 = 5742^2 + 4368^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (52049981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41913 + ... + 43136.

It is an arithmetic number, because the mean of its divisors is an integer number (3869775).

Almost surely, 2^52049988 is an apocalyptic number.

It is an amenable number.

52049988 is an abundant number, since it is smaller than the sum of its proper divisors (87261912).

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

52049988 is a wasteful number, since it uses less digits than its factorization.

52049988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85076 (or 85071 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 52049988 is about 7214.5677625205. The cubic root of 52049988 is about 373.3706804333.

The spelling of 52049988 in words is "fifty-two million, forty-nine thousand, nine hundred eighty-eight".