54121612573331 has 16 divisors (see below), whose sum is σ = 56002221918720. Its totient is φ = 52274798488800.

The previous prime is 54121612573319. The next prime is 54121612573361. The reversal of 54121612573331 is 13337521612145.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54121612573331 is a prime.

It is a super-2 number, since 2×54121612573331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54121612573361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17111441 + ... + 20026098.

It is an arithmetic number, because the mean of its divisors is an integer number (3500138869920).

Almost surely, 2^{54121612573331} is an apocalyptic number.

54121612573331 is a deficient number, since it is larger than the sum of its proper divisors (1880609345389).

54121612573331 is a wasteful number, since it uses less digits than its factorization.

54121612573331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37137994.

The product of its digits is 453600, while the sum is 44.

The spelling of 54121612573331 in words is "fifty-four trillion, one hundred twenty-one billion, six hundred twelve million, five hundred seventy-three thousand, three hundred thirty-one".