52528719 has 4 divisors (see below), whose sum is σ = 70038296. Its totient is φ = 35019144.

The previous prime is 52528699. The next prime is 52528733. The reversal of 52528719 is 91782525.

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

It is not a de Polignac number, because 52528719 - 2⁵ = 52528687 is a prime.

It is a super-2 number, since 2×52528719² = 5518532639561922, 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 (52528769) 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, 8754784 + ... + 8754789.

It is an arithmetic number, because the mean of its divisors is an integer number (17509574).

Almost surely, 2^52528719 is an apocalyptic number.

52528719 is a deficient number, since it is larger than the sum of its proper divisors (17509577).

52528719 is a wasteful number, since it uses less digits than its factorization.

52528719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17509576.

The product of its digits is 50400, while the sum is 39.

The square root of 52528719 is about 7247.6699014235. The cubic root of 52528719 is about 374.5118840343.

The spelling of 52528719 in words is "fifty-two million, five hundred twenty-eight thousand, seven hundred nineteen".