52129711 has 4 divisors (see below), whose sum is σ = 54873400. Its totient is φ = 49386024.

The previous prime is 52129669. The next prime is 52129723. The reversal of 52129711 is 11792125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52129711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52129711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52129751) 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, 1371816 + ... + 1371853.

It is an arithmetic number, because the mean of its divisors is an integer number (13718350).

Almost surely, 2^52129711 is an apocalyptic number.

52129711 is a deficient number, since it is larger than the sum of its proper divisors (2743689).

52129711 is a wasteful number, since it uses less digits than its factorization.

52129711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743688.

The product of its digits is 1260, while the sum is 28.

The square root of 52129711 is about 7220.0907889029. The cubic root of 52129711 is about 373.5612091125.

The spelling of 52129711 in words is "fifty-two million, one hundred twenty-nine thousand, seven hundred eleven".