53536031544 has 32 divisors (see below), whose sum is σ = 134323272720. Its totient is φ = 17780918016.

The previous prime is 53536031543. The next prime is 53536031551. The reversal of 53536031544 is 44513063535.

It is a super-2 number, since 2×53536031544² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53536031543) 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, 4019829 + ... + 4033124.

Almost surely, 2^53536031544 is an apocalyptic number.

It is an amenable number.

53536031544 is an abundant number, since it is smaller than the sum of its proper divisors (80787241176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53536031544 is a wasteful number, since it uses less digits than its factorization.

53536031544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8053239 (or 8053235 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 39.

The spelling of 53536031544 in words is "fifty-three billion, five hundred thirty-six million, thirty-one thousand, five hundred forty-four".