53436635541 has 12 divisors (see below), whose sum is σ = 79272366732. Its totient is φ = 34661601216.

The previous prime is 53436635521. The next prime is 53436635543. The reversal of 53436635541 is 14553663435.

53436635541 is a `hidden beast` number, since 5 + 3 + 4 + 3 + 6 + 635 + 5 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28469475441 + 24967160100 = 168729^2 + 158010^2 .

It is not a de Polignac number, because 53436635541 - 2²¹ = 53434538389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53436635543) 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, 80234856 + ... + 80235521.

It is an arithmetic number, because the mean of its divisors is an integer number (6606030561).

Almost surely, 2^53436635541 is an apocalyptic number.

It is an amenable number.

53436635541 is a deficient number, since it is larger than the sum of its proper divisors (25835731191).

53436635541 is a wasteful number, since it uses less digits than its factorization.

53436635541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160470420 (or 160470417 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

The spelling of 53436635541 in words is "fifty-three billion, four hundred thirty-six million, six hundred thirty-five thousand, five hundred forty-one".