54122324521 has 2 divisors, whose sum is σ = 54122324522. Its totient is φ = 54122324520.

The previous prime is 54122324507. The next prime is 54122324527. The reversal of 54122324521 is 12542322145.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52230074521 + 1892250000 = 228539^2 + 43500^2 .

It is a cyclic number.

It is not a de Polignac number, because 54122324521 - 2¹³ = 54122316329 is a prime.

It is not a weakly prime, because it can be changed into another prime (54122324527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27061162260 + 27061162261.

It is an arithmetic number, because the mean of its divisors is an integer number (27061162261).

Almost surely, 2^54122324521 is an apocalyptic number.

It is an amenable number.

54122324521 is a deficient number, since it is larger than the sum of its proper divisors (1).

54122324521 is an equidigital number, since it uses as much as digits as its factorization.

54122324521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

Adding to 54122324521 its reverse (12542322145), we get a palindrome (66664646666).

The spelling of 54122324521 in words is "fifty-four billion, one hundred twenty-two million, three hundred twenty-four thousand, five hundred twenty-one".