52142311 has 8 divisors (see below), whose sum is σ = 58595040. Its totient is φ = 46038432.

The previous prime is 52142309. The next prime is 52142333. The reversal of 52142311 is 11324125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52142311 - 2¹ = 52142309 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 (52142711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86896 + ... + 87493.

It is an arithmetic number, because the mean of its divisors is an integer number (7324380).

Almost surely, 2^52142311 is an apocalyptic number.

52142311 is a deficient number, since it is larger than the sum of its proper divisors (6452729).

52142311 is a wasteful number, since it uses less digits than its factorization.

52142311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174425.

The product of its digits is 240, while the sum is 19.

The square root of 52142311 is about 7220.9633013885. The cubic root of 52142311 is about 373.5913038638.

Adding to 52142311 its reverse (11324125), we get a palindrome (63466436).

The spelling of 52142311 in words is "fifty-two million, one hundred forty-two thousand, three hundred eleven".