52125724 has 24 divisors (see below), whose sum is σ = 104404608. Its totient is φ = 22306800.

The previous prime is 52125707. The next prime is 52125739. The reversal of 52125724 is 42752125.

It is a super-2 number, since 2×52125724² = 5434182205048352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 52125692 and 52125701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35199 + ... + 36649.

It is an arithmetic number, because the mean of its divisors is an integer number (4350192).

Almost surely, 2^52125724 is an apocalyptic number.

It is an amenable number.

52125724 is an abundant number, since it is smaller than the sum of its proper divisors (52278884).

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

52125724 is a wasteful number, since it uses less digits than its factorization.

52125724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2743 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 52125724 is about 7219.8146790621. The cubic root of 52125724 is about 373.5516852634.

Adding to 52125724 its reverse (42752125), we get a palindrome (94877849).

The spelling of 52125724 in words is "fifty-two million, one hundred twenty-five thousand, seven hundred twenty-four".