53514023521 has 24 divisors (see below), whose sum is σ = 63830025000. Its totient is φ = 44716718592.

The previous prime is 53514023489. The next prime is 53514023543. The reversal of 53514023521 is 12532041535.

It can be written as a sum of positive squares in 4 ways, for example, as 7413210000 + 46100813521 = 86100^2 + 214711^2 .

It is not a de Polignac number, because 53514023521 - 2⁵ = 53514023489 is a prime.

It is a super-2 number, since 2×53514023521² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53514023551) 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 23 ways as a sum of consecutive naturals, for example, 342105 + ... + 473353.

It is an arithmetic number, because the mean of its divisors is an integer number (2659584375).

Almost surely, 2^53514023521 is an apocalyptic number.

It is an amenable number.

53514023521 is a deficient number, since it is larger than the sum of its proper divisors (10316001479).

53514023521 is a wasteful number, since it uses less digits than its factorization.

53514023521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131473 (or 131466 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 53514023521 in words is "fifty-three billion, five hundred fourteen million, twenty-three thousand, five hundred twenty-one".