54123030553 has 2 divisors, whose sum is σ = 54123030554. Its totient is φ = 54123030552.

The previous prime is 54123030517. The next prime is 54123030581. The reversal of 54123030553 is 35503032145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50011271424 + 4111759129 = 223632^2 + 64123^2 .

It is a cyclic number.

It is not a de Polignac number, because 54123030553 - 2¹³ = 54123022361 is a prime.

It is not a weakly prime, because it can be changed into another prime (54123030253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27061515276 + 27061515277.

It is an arithmetic number, because the mean of its divisors is an integer number (27061515277).

Almost surely, 2^54123030553 is an apocalyptic number.

It is an amenable number.

54123030553 is a deficient number, since it is larger than the sum of its proper divisors (1).

54123030553 is an equidigital number, since it uses as much as digits as its factorization.

54123030553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 54123030553 its reverse (35503032145), we get a palindrome (89626062698).

The spelling of 54123030553 in words is "fifty-four billion, one hundred twenty-three million, thirty thousand, five hundred fifty-three".