52845719 has 4 divisors (see below), whose sum is σ = 53970144. Its totient is φ = 51721296.

The previous prime is 52845713. The next prime is 52845721. The reversal of 52845719 is 91754825.

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-52845719 is a prime.

It is a super-2 number, since 2×52845719² = 5585340033253922, 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 (52845713) 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, 562142 + ... + 562235.

It is an arithmetic number, because the mean of its divisors is an integer number (13492536).

Almost surely, 2^52845719 is an apocalyptic number.

52845719 is a deficient number, since it is larger than the sum of its proper divisors (1124425).

52845719 is a wasteful number, since it uses less digits than its factorization.

52845719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124424.

The product of its digits is 100800, while the sum is 41.

The square root of 52845719 is about 7269.5061042687. The cubic root of 52845719 is about 375.2637409835.

The spelling of 52845719 in words is "fifty-two million, eight hundred forty-five thousand, seven hundred nineteen".