52920489 has 16 divisors (see below), whose sum is σ = 72745344. Its totient is φ = 34204800.

The previous prime is 52920451. The next prime is 52920509. The reversal of 52920489 is 98402925.

It is not a de Polignac number, because 52920489 - 2¹⁶ = 52854953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52920089) 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 15 ways as a sum of consecutive naturals, for example, 10957 + ... + 15029.

It is an arithmetic number, because the mean of its divisors is an integer number (4546584).

Almost surely, 2^52920489 is an apocalyptic number.

It is an amenable number.

52920489 is a deficient number, since it is larger than the sum of its proper divisors (19824855).

52920489 is a wasteful number, since it uses less digits than its factorization.

52920489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 52920489 is about 7274.6470017452. The cubic root of 52920489 is about 375.4406411360.

The spelling of 52920489 in words is "fifty-two million, nine hundred twenty thousand, four hundred eighty-nine".