53266630521 has 16 divisors (see below), whose sum is σ = 76522501440. Its totient is φ = 32763572160.

The previous prime is 53266630513. The next prime is 53266630561. The reversal of 53266630521 is 12503666235.

It is not a de Polignac number, because 53266630521 - 2³ = 53266630513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 53266630521.

It is not an unprimeable number, because it can be changed into a prime (53266630561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249375 + ... + 410756.

It is an arithmetic number, because the mean of its divisors is an integer number (4782656340).

Almost surely, 2^53266630521 is an apocalyptic number.

It is an amenable number.

53266630521 is a deficient number, since it is larger than the sum of its proper divisors (23255870919).

53266630521 is a wasteful number, since it uses less digits than its factorization.

53266630521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662216.

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 53266630521 in words is "fifty-three billion, two hundred sixty-six million, six hundred thirty thousand, five hundred twenty-one".