53240215204431 has 24 divisors (see below), whose sum is σ = 77830287050880. Its totient is φ = 35065296038736.

The previous prime is 53240215204399. The next prime is 53240215204447. The reversal of 53240215204431 is 13440251204235.

It is a happy number.

53240215204431 is a `hidden beast` number, since 5 + 3 + 2 + 4 + 0 + 2 + 15 + 204 + 431 = 666.

It is not a de Polignac number, because 53240215204431 - 2⁵ = 53240215204399 is a prime.

It is a super-2 number, since 2×53240215204431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53240215209431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50337600 + ... + 51384378.

It is an arithmetic number, because the mean of its divisors is an integer number (3242928627120).

Almost surely, 2^{53240215204431} is an apocalyptic number.

53240215204431 is a deficient number, since it is larger than the sum of its proper divisors (24590071846449).

53240215204431 is a wasteful number, since it uses less digits than its factorization.

53240215204431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114955 (or 1114952 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 53240215204431 its reverse (13440251204235), we get a palindrome (66680466408666).

The spelling of 53240215204431 in words is "fifty-three trillion, two hundred forty billion, two hundred fifteen million, two hundred four thousand, four hundred thirty-one".