52320051 has 12 divisors (see below), whose sum is σ = 86369712. Its totient is φ = 29897136.

The previous prime is 52320029. The next prime is 52320061. The reversal of 52320051 is 15002325.

It is a happy number.

It is not a de Polignac number, because 52320051 - 2⁵ = 52320019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52320001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415176 + ... + 415301.

It is an arithmetic number, because the mean of its divisors is an integer number (7197476).

Almost surely, 2^52320051 is an apocalyptic number.

52320051 is a deficient number, since it is larger than the sum of its proper divisors (34049661).

52320051 is a wasteful number, since it uses less digits than its factorization.

52320051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830490 (or 830487 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 52320051 is about 7233.2600533922. The cubic root of 52320051 is about 374.0153153193.

Adding to 52320051 its reverse (15002325), we get a palindrome (67322376).

The spelling of 52320051 in words is "fifty-two million, three hundred twenty thousand, fifty-one".