54699524549 has 2 divisors, whose sum is σ = 54699524550. Its totient is φ = 54699524548.

The previous prime is 54699524527. The next prime is 54699524567. The reversal of 54699524549 is 94542599645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51352092100 + 3347432449 = 226610^2 + 57857^2 .

It is a cyclic number.

It is not a de Polignac number, because 54699524549 - 2¹⁶ = 54699459013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54699524491 and 54699524500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54699524849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27349762274 + 27349762275.

It is an arithmetic number, because the mean of its divisors is an integer number (27349762275).

Almost surely, 2^54699524549 is an apocalyptic number.

It is an amenable number.

54699524549 is a deficient number, since it is larger than the sum of its proper divisors (1).

54699524549 is an equidigital number, since it uses as much as digits as its factorization.

54699524549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984000, while the sum is 62.

The spelling of 54699524549 in words is "fifty-four billion, six hundred ninety-nine million, five hundred twenty-four thousand, five hundred forty-nine".