52162111 has 4 divisors (see below), whose sum is σ = 52237224. Its totient is φ = 52087000.

The previous prime is 52162109. The next prime is 52162129. The reversal of 52162111 is 11126125.

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 52162111 - 2¹ = 52162109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52162141) 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, 36505 + ... + 37906.

It is an arithmetic number, because the mean of its divisors is an integer number (13059306).

Almost surely, 2^52162111 is an apocalyptic number.

52162111 is the 3861-st centered heptagonal number.

52162111 is a deficient number, since it is larger than the sum of its proper divisors (75113).

52162111 is an equidigital number, since it uses as much as digits as its factorization.

52162111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75112.

The product of its digits is 120, while the sum is 19.

The square root of 52162111 is about 7222.3341794741. The cubic root of 52162111 is about 373.6385858220.

Adding to 52162111 its reverse (11126125), we get a palindrome (63288236).

The spelling of 52162111 in words is "fifty-two million, one hundred sixty-two thousand, one hundred eleven".