54431234265321 has 24 divisors (see below), whose sum is σ = 78938274003264. Its totient is φ = 36142125009120.

The previous prime is 54431234265293. The next prime is 54431234265329. The reversal of 54431234265321 is 12356243213445.

54431234265321 is a `hidden beast` number, since 5 + 4 + 4 + 31 + 2 + 34 + 265 + 321 = 666.

It is not a de Polignac number, because 54431234265321 - 2²⁵ = 54431200710889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54431234265329) 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, 4805421 + ... + 11487146.

It is an arithmetic number, because the mean of its divisors is an integer number (3289094750136).

Almost surely, 2^{54431234265321} is an apocalyptic number.

It is an amenable number.

54431234265321 is a deficient number, since it is larger than the sum of its proper divisors (24507039737943).

54431234265321 is a wasteful number, since it uses less digits than its factorization.

54431234265321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16294061 (or 16294058 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

Adding to 54431234265321 its reverse (12356243213445), we get a palindrome (66787477478766).

The spelling of 54431234265321 in words is "fifty-four trillion, four hundred thirty-one billion, two hundred thirty-four million, two hundred sixty-five thousand, three hundred twenty-one".