53331404431 has 8 divisors (see below), whose sum is σ = 54244198800. Its totient is φ = 52418905920.

The previous prime is 53331404419. The next prime is 53331404509. The reversal of 53331404431 is 13440413335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53331404431 is a prime.

It is a super-2 number, since 2×53331404431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53331404393 and 53331404402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53331402431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306211 + ... + 447691.

It is an arithmetic number, because the mean of its divisors is an integer number (6780524850).

Almost surely, 2^53331404431 is an apocalyptic number.

53331404431 is a deficient number, since it is larger than the sum of its proper divisors (912794369).

53331404431 is a wasteful number, since it uses less digits than its factorization.

53331404431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147929.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 53331404431 its reverse (13440413335), we get a palindrome (66771817766).

The spelling of 53331404431 in words is "fifty-three billion, three hundred thirty-one million, four hundred four thousand, four hundred thirty-one".