52719797 has 12 divisors (see below), whose sum is σ = 57639204. Its totient is φ = 47934720.

The previous prime is 52719757. The next prime is 52719803. The reversal of 52719797 is 79791725.

It can be written as a sum of positive squares in 6 ways, for example, as 11874916 + 40844881 = 3446^2 + 6391^2 .

It is not a de Polignac number, because 52719797 - 2¹⁸ = 52457653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52719757) 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, 68897 + ... + 69657.

It is an arithmetic number, because the mean of its divisors is an integer number (4803267).

Almost surely, 2^52719797 is an apocalyptic number.

It is an amenable number.

52719797 is a deficient number, since it is larger than the sum of its proper divisors (4919407).

52719797 is an equidigital number, since it uses as much as digits as its factorization.

52719797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 847 counting only the distinct ones).

The product of its digits is 277830, while the sum is 47.

The square root of 52719797 is about 7260.8399651831. The cubic root of 52719797 is about 374.9654415561.

The spelling of 52719797 in words is "fifty-two million, seven hundred nineteen thousand, seven hundred ninety-seven".