52125906 has 48 divisors (see below), whose sum is σ = 122479776. Its totient is φ = 14745024.

The previous prime is 52125833. The next prime is 52125907. The reversal of 52125906 is 60952125.

It is a happy number.

It is a super-2 number, since 2×52125906² = 5434220152641672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52125907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30630 + ... + 32286.

It is an arithmetic number, because the mean of its divisors is an integer number (2551662).

Almost surely, 2^52125906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52125906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61239888).

52125906 is an abundant number, since it is smaller than the sum of its proper divisors (70353870).

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

52125906 is a wasteful number, since it uses less digits than its factorization.

52125906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 52125906 is about 7219.8272832527. The cubic root of 52125906 is about 373.5521200220.

The spelling of 52125906 in words is "fifty-two million, one hundred twenty-five thousand, nine hundred six".