52195919 has 4 divisors (see below), whose sum is σ = 52782480. Its totient is φ = 51609360.

The previous prime is 52195883. The next prime is 52195939. The reversal of 52195919 is 91959125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52195919 is a prime.

It is a super-2 number, since 2×52195919² = 5448827920509122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52195939) 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, 293147 + ... + 293324.

It is an arithmetic number, because the mean of its divisors is an integer number (13195620).

Almost surely, 2^52195919 is an apocalyptic number.

52195919 is a deficient number, since it is larger than the sum of its proper divisors (586561).

52195919 is an equidigital number, since it uses as much as digits as its factorization.

52195919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586560.

The product of its digits is 36450, while the sum is 41.

The square root of 52195919 is about 7224.6743179191. The cubic root of 52195919 is about 373.7192909225.

The spelling of 52195919 in words is "fifty-two million, one hundred ninety-five thousand, nine hundred nineteen".