52446551 has 4 divisors (see below), whose sum is σ = 52470432. Its totient is φ = 52422672.

The previous prime is 52446533. The next prime is 52446571. The reversal of 52446551 is 15564425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52446551 - 2⁶ = 52446487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52446571) 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 3 ways as a sum of consecutive naturals, for example, 8270 + ... + 13163.

It is an arithmetic number, because the mean of its divisors is an integer number (13117608).

Almost surely, 2^52446551 is an apocalyptic number.

52446551 is a deficient number, since it is larger than the sum of its proper divisors (23881).

52446551 is a wasteful number, since it uses less digits than its factorization.

52446551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23880.

The product of its digits is 24000, while the sum is 32.

The square root of 52446551 is about 7241.9991024578. Note that the first 3 decimals coincide. The cubic root of 52446551 is about 374.3165055028.

The spelling of 52446551 in words is "fifty-two million, four hundred forty-six thousand, five hundred fifty-one".