53240355444 has 24 divisors (see below), whose sum is σ = 125326857600. Its totient is φ = 17589733504.

The previous prime is 53240355439. The next prime is 53240355461. The reversal of 53240355444 is 44455304235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19630044 + ... + 19632755.

It is an arithmetic number, because the mean of its divisors is an integer number (5221952400).

Almost surely, 2^53240355444 is an apocalyptic number.

It is an amenable number.

53240355444 is an abundant number, since it is smaller than the sum of its proper divisors (72086502156).

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

53240355444 is a wasteful number, since it uses less digits than its factorization.

53240355444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39262919 (or 39262917 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 39.

Adding to 53240355444 its reverse (44455304235), we get a palindrome (97695659679).

The spelling of 53240355444 in words is "fifty-three billion, two hundred forty million, three hundred fifty-five thousand, four hundred forty-four".