53240344520 has 64 divisors (see below), whose sum is σ = 130723804800. Its totient is φ = 19353761280.

The previous prime is 53240344517. The next prime is 53240344537. The reversal of 53240344520 is 2544304235.

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, 1442132 + ... + 1478588.

It is an arithmetic number, because the mean of its divisors is an integer number (2042559450).

Almost surely, 2^53240344520 is an apocalyptic number.

It is an amenable number.

53240344520 is an abundant number, since it is smaller than the sum of its proper divisors (77483460280).

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

53240344520 is a wasteful number, since it uses less digits than its factorization.

53240344520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39798 (or 39794 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 53240344520 its reverse (2544304235), we get a palindrome (55784648755).

The spelling of 53240344520 in words is "fifty-three billion, two hundred forty million, three hundred forty-four thousand, five hundred twenty".