53240355544 has 64 divisors (see below), whose sum is σ = 108696729600. Its totient is φ = 24354432000.

The previous prime is 53240355527. The next prime is 53240355551. The reversal of 53240355544 is 44555304235.

It is a junction number, because it is equal to n+sod(n) for n = 53240355497 and 53240355506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2283144 + ... + 2306344.

It is an arithmetic number, because the mean of its divisors is an integer number (1698386400).

Almost surely, 2^53240355544 is an apocalyptic number.

It is an amenable number.

53240355544 is an abundant number, since it is smaller than the sum of its proper divisors (55456374056).

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

53240355544 is a wasteful number, since it uses less digits than its factorization.

53240355544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23744 (or 23740 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

Adding to 53240355544 its reverse (44555304235), we get a palindrome (97795659779).

The spelling of 53240355544 in words is "fifty-three billion, two hundred forty million, three hundred fifty-five thousand, five hundred forty-four".