52787197 has 8 divisors (see below), whose sum is σ = 54544896. Its totient is φ = 51046992.

The previous prime is 52787183. The next prime is 52787201. The reversal of 52787197 is 79178725.

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

It is a cyclic number.

It is not a de Polignac number, because 52787197 - 2⁷ = 52787069 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 (52787107) 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, 1908 + ... + 10450.

It is an arithmetic number, because the mean of its divisors is an integer number (6818112).

Almost surely, 2^52787197 is an apocalyptic number.

It is an amenable number.

52787197 is a deficient number, since it is larger than the sum of its proper divisors (1757699).

52787197 is a wasteful number, since it uses less digits than its factorization.

52787197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747.

The product of its digits is 246960, while the sum is 46.

The square root of 52787197 is about 7265.4798189796. The cubic root of 52787197 is about 375.1251659217.

The spelling of 52787197 in words is "fifty-two million, seven hundred eighty-seven thousand, one hundred ninety-seven".