54372551449 has 2 divisors, whose sum is σ = 54372551450. Its totient is φ = 54372551448.

The previous prime is 54372551413. The next prime is 54372551479. The reversal of 54372551449 is 94415527345.

54372551449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52673463049 + 1699088400 = 229507^2 + 41220^2 .

It is a cyclic number.

It is not a de Polignac number, because 54372551449 - 2¹⁹ = 54372027161 is a prime.

It is not a weakly prime, because it can be changed into another prime (54372551479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27186275724 + 27186275725.

It is an arithmetic number, because the mean of its divisors is an integer number (27186275725).

Almost surely, 2^54372551449 is an apocalyptic number.

It is an amenable number.

54372551449 is a deficient number, since it is larger than the sum of its proper divisors (1).

54372551449 is an equidigital number, since it uses as much as digits as its factorization.

54372551449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 49.

The spelling of 54372551449 in words is "fifty-four billion, three hundred seventy-two million, five hundred fifty-one thousand, four hundred forty-nine".