53054542521 has 12 divisors (see below), whose sum is σ = 76807334448. Its totient is φ = 35289851064.

The previous prime is 53054542501. The next prime is 53054542529. The reversal of 53054542521 is 12524545035.

53054542521 is a `hidden beast` number, since 5 + 30 + 54 + 54 + 2 + 521 = 666.

It is not a de Polignac number, because 53054542521 - 2²³ = 53046153913 is a prime.

It is a super-2 number, since 2×53054542521² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53054542529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6649455 + ... + 6657428.

It is an arithmetic number, because the mean of its divisors is an integer number (6400611204).

Almost surely, 2^53054542521 is an apocalyptic number.

It is an amenable number.

53054542521 is a deficient number, since it is larger than the sum of its proper divisors (23752791927).

53054542521 is a wasteful number, since it uses less digits than its factorization.

53054542521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13307332 (or 13307329 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 53054542521 in words is "fifty-three billion, fifty-four million, five hundred forty-two thousand, five hundred twenty-one".