52454521 has 8 divisors (see below), whose sum is σ = 60263424. Its totient is φ = 44724480.

The previous prime is 52454509. The next prime is 52454527. The reversal of 52454521 is 12545425.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52454521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52454521.

It is not an unprimeable number, because it can be changed into a prime (52454527) 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, 18280 + ... + 20953.

It is an arithmetic number, because the mean of its divisors is an integer number (7532928).

Almost surely, 2^52454521 is an apocalyptic number.

It is an amenable number.

52454521 is a deficient number, since it is larger than the sum of its proper divisors (7808903).

52454521 is a wasteful number, since it uses less digits than its factorization.

52454521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39431.

The product of its digits is 8000, while the sum is 28.

The square root of 52454521 is about 7242.5493439810. The cubic root of 52454521 is about 374.3354654495.

Adding to 52454521 its reverse (12545425), we get a palindrome (64999946).

It can be divided in two parts, 52454 and 521, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 52454521 in words is "fifty-two million, four hundred fifty-four thousand, five hundred twenty-one".