52953521 has 8 divisors (see below), whose sum is σ = 58506624. Its totient is φ = 47671360.

The previous prime is 52953499. The next prime is 52953533. The reversal of 52953521 is 12535925.

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 52953521 - 2¹⁸ = 52691377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52953581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67325 + ... + 68106.

It is an arithmetic number, because the mean of its divisors is an integer number (7313328).

Almost surely, 2^52953521 is an apocalyptic number.

It is an amenable number.

52953521 is a deficient number, since it is larger than the sum of its proper divisors (5553103).

52953521 is a wasteful number, since it uses less digits than its factorization.

52953521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135471.

The product of its digits is 13500, while the sum is 32.

The square root of 52953521 is about 7276.9169982899. The cubic root of 52953521 is about 375.5187392798.

The spelling of 52953521 in words is "fifty-two million, nine hundred fifty-three thousand, five hundred twenty-one".