52811406 has 32 divisors (see below), whose sum is σ = 118782720. Its totient is φ = 17390232.

The previous prime is 52811389. The next prime is 52811417. The reversal of 52811406 is 60411825.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52811406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1410 + ... + 10373.

It is an arithmetic number, because the mean of its divisors is an integer number (3711960).

Almost surely, 2^52811406 is an apocalyptic number.

52811406 is an abundant number, since it is smaller than the sum of its proper divisors (65971314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52811406 is a wasteful number, since it uses less digits than its factorization.

52811406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877 (or 11871 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 52811406 is about 7267.1456569963. The cubic root of 52811406 is about 375.1825031658.

The spelling of 52811406 in words is "fifty-two million, eight hundred eleven thousand, four hundred six".