52015771 has 4 divisors (see below), whose sum is σ = 52425472. Its totient is φ = 51606072.

The previous prime is 52015759. The next prime is 52015823. The reversal of 52015771 is 17751025.

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

It is a cyclic number.

It is not a de Polignac number, because 52015771 - 2⁵ = 52015739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52015471) 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, 204660 + ... + 204913.

It is an arithmetic number, because the mean of its divisors is an integer number (13106368).

Almost surely, 2^52015771 is an apocalyptic number.

52015771 is a deficient number, since it is larger than the sum of its proper divisors (409701).

52015771 is a wasteful number, since it uses less digits than its factorization.

52015771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409700.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 52015771 is about 7212.1959901267. The cubic root of 52015771 is about 373.2888461198.

Adding to 52015771 its reverse (17751025), we get a palindrome (69766796).

The spelling of 52015771 in words is "fifty-two million, fifteen thousand, seven hundred seventy-one".