52620312 has 32 divisors (see below), whose sum is σ = 132367680. Its totient is φ = 17431200.

The previous prime is 52620283. The next prime is 52620313. The reversal of 52620312 is 21302625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52620313) by changing a digit.

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, 2814 + ... + 10637.

It is an arithmetic number, because the mean of its divisors is an integer number (4136490).

Almost surely, 2^52620312 is an apocalyptic number.

It is an amenable number.

52620312 is an abundant number, since it is smaller than the sum of its proper divisors (79747368).

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

52620312 is a wasteful number, since it uses less digits than its factorization.

52620312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13623 (or 13619 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 52620312 is about 7253.9859387788. The cubic root of 52620312 is about 374.7294332745.

Adding to 52620312 its reverse (21302625), we get a palindrome (73922937).

The spelling of 52620312 in words is "fifty-two million, six hundred twenty thousand, three hundred twelve".