52123732 has 6 divisors (see below), whose sum is σ = 91216538. Its totient is φ = 26061864.

The previous prime is 52123723. The next prime is 52123733. The reversal of 52123732 is 23732125.

It can be written as a sum of positive squares in only one way, i.e., 26357956 + 25765776 = 5134^2 + 5076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52123697 and 52123706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52123733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515463 + ... + 6515470.

Almost surely, 2^52123732 is an apocalyptic number.

It is an amenable number.

52123732 is a deficient number, since it is larger than the sum of its proper divisors (39092806).

52123732 is a wasteful number, since it uses less digits than its factorization.

52123732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13030937 (or 13030935 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 52123732 is about 7219.6767240646. The cubic root of 52123732 is about 373.5469267399.

Adding to 52123732 its reverse (23732125), we get a palindrome (75855857).

The spelling of 52123732 in words is "fifty-two million, one hundred twenty-three thousand, seven hundred thirty-two".