54022321531 has 2 divisors, whose sum is σ = 54022321532. Its totient is φ = 54022321530.

The previous prime is 54022321519. The next prime is 54022321589. The reversal of 54022321531 is 13512322045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54022321531 - 2¹⁷ = 54022190459 is a prime.

It is a super-2 number, since 2×54022321531² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54022321531.

It is not a weakly prime, because it can be changed into another prime (54022321511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27011160765 + 27011160766.

It is an arithmetic number, because the mean of its divisors is an integer number (27011160766).

Almost surely, 2^54022321531 is an apocalyptic number.

54022321531 is a deficient number, since it is larger than the sum of its proper divisors (1).

54022321531 is an equidigital number, since it uses as much as digits as its factorization.

54022321531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 54022321531 its reverse (13512322045), we get a palindrome (67534643576).

The spelling of 54022321531 in words is "fifty-four billion, twenty-two million, three hundred twenty-one thousand, five hundred thirty-one".