52697744439 has 8 divisors (see below), whose sum is σ = 70268956800. Its totient is φ = 35129180856.

The previous prime is 52697744401. The next prime is 52697744467. The reversal of 52697744439 is 93444779625.

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

It is not a de Polignac number, because 52697744439 - 2⁹ = 52697743927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52697744839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615297 + ... + 695690.

It is an arithmetic number, because the mean of its divisors is an integer number (8783619600).

Almost surely, 2^52697744439 is an apocalyptic number.

52697744439 is a deficient number, since it is larger than the sum of its proper divisors (17571212361).

52697744439 is a wasteful number, since it uses less digits than its factorization.

52697744439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324389.

The product of its digits is 45722880, while the sum is 60.

The spelling of 52697744439 in words is "fifty-two billion, six hundred ninety-seven million, seven hundred forty-four thousand, four hundred thirty-nine".