52971725890 has 8 divisors (see below), whose sum is σ = 95349106620. Its totient is φ = 21188690352.

The previous prime is 52971725861. The next prime is 52971725897. The reversal of 52971725890 is 9852717925.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48335341609 + 4636384281 = 219853^2 + 68091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (52971725897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2648586285 + ... + 2648586304.

Almost surely, 2^52971725890 is an apocalyptic number.

52971725890 is a deficient number, since it is larger than the sum of its proper divisors (42377380730).

52971725890 is a wasteful number, since it uses less digits than its factorization.

52971725890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5297172596.

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 52971725890 in words is "fifty-two billion, nine hundred seventy-one million, seven hundred twenty-five thousand, eight hundred ninety".