53531631721346 has 8 divisors (see below), whose sum is σ = 80365094971920. Its totient is φ = 26743266730708.

The previous prime is 53531631721279. The next prime is 53531631721361. The reversal of 53531631721346 is 64312713613535.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 53531631721294 and 53531631721303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11274562016 + ... + 11274566763.

It is an arithmetic number, because the mean of its divisors is an integer number (10045636871490).

Almost surely, 2^{53531631721346} is an apocalyptic number.

53531631721346 is a deficient number, since it is larger than the sum of its proper divisors (26833463250574).

53531631721346 is a wasteful number, since it uses less digits than its factorization.

53531631721346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22549129968.

The product of its digits is 4082400, while the sum is 50.

The spelling of 53531631721346 in words is "fifty-three trillion, five hundred thirty-one billion, six hundred thirty-one million, seven hundred twenty-one thousand, three hundred forty-six".