52771121 has 4 divisors (see below), whose sum is σ = 56830452. Its totient is φ = 48711792.

The previous prime is 52771109. The next prime is 52771127. The reversal of 52771121 is 12117725.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2927521 + 49843600 = 1711^2 + 7060^2 .

It is a cyclic number.

It is not a de Polignac number, because 52771121 - 2⁶ = 52771057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52771127) 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, 2029646 + ... + 2029671.

It is an arithmetic number, because the mean of its divisors is an integer number (14207613).

Almost surely, 2^52771121 is an apocalyptic number.

It is an amenable number.

52771121 is a deficient number, since it is larger than the sum of its proper divisors (4059331).

52771121 is a wasteful number, since it uses less digits than its factorization.

52771121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059330.

The product of its digits is 980, while the sum is 26.

The square root of 52771121 is about 7264.3734072527. The cubic root of 52771121 is about 375.0870814063.

Adding to 52771121 its reverse (12117725), we get a palindrome (64888846).

The spelling of 52771121 in words is "fifty-two million, seven hundred seventy-one thousand, one hundred twenty-one".