52739697 has 4 divisors (see below), whose sum is σ = 70319600. Its totient is φ = 35159796.

The previous prime is 52739693. The next prime is 52739737. The reversal of 52739697 is 79693725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52739697 - 2² = 52739693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52739693) 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, 8789947 + ... + 8789952.

It is an arithmetic number, because the mean of its divisors is an integer number (17579900).

Almost surely, 2^52739697 is an apocalyptic number.

It is an amenable number.

52739697 is a deficient number, since it is larger than the sum of its proper divisors (17579903).

52739697 is a wasteful number, since it uses less digits than its factorization.

52739697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17579902.

The product of its digits is 714420, while the sum is 48.

The square root of 52739697 is about 7262.2102007584. The cubic root of 52739697 is about 375.0126146868.

The spelling of 52739697 in words is "fifty-two million, seven hundred thirty-nine thousand, six hundred ninety-seven".