52502406 has 64 divisors (see below), whose sum is σ = 120324096. Its totient is φ = 15127200.

The previous prime is 52502393. The next prime is 52502413. The reversal of 52502406 is 60420525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136891 + ... + 137273.

It is an arithmetic number, because the mean of its divisors is an integer number (1880064).

Almost surely, 2^52502406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52502406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60162048).

52502406 is an abundant number, since it is smaller than the sum of its proper divisors (67821690).

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

52502406 is a wasteful number, since it uses less digits than its factorization.

52502406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 52502406 is about 7245.8544009661. The cubic root of 52502406 is about 374.4493393456.

The spelling of 52502406 in words is "fifty-two million, five hundred two thousand, four hundred six".