52356197 has 4 divisors (see below), whose sum is σ = 52494720. Its totient is φ = 52217676.

The previous prime is 52356173. The next prime is 52356233. The reversal of 52356197 is 79165325.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 52356197 - 2⁶ = 52356133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52356197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52356127) 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, 68693 + ... + 69450.

It is an arithmetic number, because the mean of its divisors is an integer number (13123680).

Almost surely, 2^52356197 is an apocalyptic number.

It is an amenable number.

52356197 is a deficient number, since it is larger than the sum of its proper divisors (138523).

52356197 is a wasteful number, since it uses less digits than its factorization.

52356197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138522.

The product of its digits is 56700, while the sum is 38.

The square root of 52356197 is about 7235.7582187356. The cubic root of 52356197 is about 374.1014266363.

The spelling of 52356197 in words is "fifty-two million, three hundred fifty-six thousand, one hundred ninety-seven".