54837872549 has 2 divisors, whose sum is σ = 54837872550. Its totient is φ = 54837872548.

The previous prime is 54837872513. The next prime is 54837872611. The reversal of 54837872549 is 94527873845.

54837872549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (54837872611) can be obtained adding 54837872549 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52665660100 + 2172212449 = 229490^2 + 46607^2 .

It is a cyclic number.

It is not a de Polignac number, because 54837872549 - 2²⁰ = 54836823973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54837872491 and 54837872500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54837872249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27418936274 + 27418936275.

It is an arithmetic number, because the mean of its divisors is an integer number (27418936275).

Almost surely, 2^54837872549 is an apocalyptic number.

It is an amenable number.

54837872549 is a deficient number, since it is larger than the sum of its proper divisors (1).

54837872549 is an equidigital number, since it uses as much as digits as its factorization.

54837872549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67737600, while the sum is 62.

The spelling of 54837872549 in words is "fifty-four billion, eight hundred thirty-seven million, eight hundred seventy-two thousand, five hundred forty-nine".