52453021 has 8 divisors (see below), whose sum is σ = 52979904. Its totient is φ = 51928800.

The previous prime is 52453019. The next prime is 52453033. The reversal of 52453021 is 12035425.

52453021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52453021 - 2¹ = 52453019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52452983 and 52453001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52453001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 84705 + ... + 85321.

It is an arithmetic number, because the mean of its divisors is an integer number (6622488).

Almost surely, 2^52453021 is an apocalyptic number.

It is an amenable number.

52453021 is a deficient number, since it is larger than the sum of its proper divisors (526883).

52453021 is a wasteful number, since it uses less digits than its factorization.

52453021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52453021 is about 7242.4457885441. The cubic root of 52453021 is about 374.3318972248.

Adding to 52453021 its reverse (12035425), we get a palindrome (64488446).

The spelling of 52453021 in words is "fifty-two million, four hundred fifty-three thousand, twenty-one".