52997436 has 48 divisors (see below), whose sum is σ = 137803680. Its totient is φ = 17614080.

The previous prime is 52997429. The next prime is 52997467. The reversal of 52997436 is 63479925.

It is a happy number.

52997436 is a `hidden beast` number, since 529 + 97 + 4 + 36 = 666.

52997436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52997391 and 52997400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59716 + ... + 60596.

It is an arithmetic number, because the mean of its divisors is an integer number (2870910).

Almost surely, 2^52997436 is an apocalyptic number.

It is an amenable number.

52997436 is an abundant number, since it is smaller than the sum of its proper divisors (84806244).

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

52997436 is a wasteful number, since it uses less digits than its factorization.

52997436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1443 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 52997436 is about 7279.9337909077. The cubic root of 52997436 is about 375.6225180183.

The spelling of 52997436 in words is "fifty-two million, nine hundred ninety-seven thousand, four hundred thirty-six".