54405232221031 has 12 divisors (see below), whose sum is σ = 56311654210416. Its totient is φ = 52561437965760.

The previous prime is 54405232221001. The next prime is 54405232221059. The reversal of 54405232221031 is 13012223250445.

It is a de Polignac number, because none of the positive numbers 2^k-54405232221031 is a prime.

It is a super-2 number, since 2×54405232221031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54405232221001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47164651 + ... + 48304396.

It is an arithmetic number, because the mean of its divisors is an integer number (4692637850868).

Almost surely, 2^{54405232221031} is an apocalyptic number.

54405232221031 is a deficient number, since it is larger than the sum of its proper divisors (1906421989385).

54405232221031 is an equidigital number, since it uses as much as digits as its factorization.

54405232221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95469702 (or 95469671 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 54405232221031 its reverse (13012223250445), we get a palindrome (67417455471476).

The spelling of 54405232221031 in words is "fifty-four trillion, four hundred five billion, two hundred thirty-two million, two hundred twenty-one thousand, thirty-one".