53635525644 has 96 divisors (see below), whose sum is σ = 127948817920. Its totient is φ = 17483558400.

The previous prime is 53635525639. The next prime is 53635525667. The reversal of 53635525644 is 44652553635.

It is a happy number.

53635525644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53635525644² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53635525593 and 53635525602.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81142674 + ... + 81143334.

Almost surely, 2^53635525644 is an apocalyptic number.

It is an amenable number.

53635525644 is an abundant number, since it is smaller than the sum of its proper divisors (74313292276).

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

53635525644 is a wasteful number, since it uses less digits than its factorization.

53635525644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1389 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 48.

The spelling of 53635525644 in words is "fifty-three billion, six hundred thirty-five million, five hundred twenty-five thousand, six hundred forty-four".