54776125849 has 3 divisors (see below), whose sum is σ = 54776359893. Its totient is φ = 54775891806.

The previous prime is 54776125843. The next prime is 54776125871. The reversal of 54776125849 is 94852167745.

The square root of 54776125849 is 234043.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 54776125849 - 2¹³ = 54776117657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54776125793 and 54776125802.

It is not an unprimeable number, because it can be changed into a prime (54776125843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 117022 + ... + 351064.

It is an arithmetic number, because the mean of its divisors is an integer number (18258786631).

Almost surely, 2^54776125849 is an apocalyptic number.

54776125849 is the 234043-rd square number.

54776125849 is the 117022-nd centered octagonal number.

It is an amenable number.

54776125849 is a deficient number, since it is larger than the sum of its proper divisors (234044).

54776125849 is an frugal number, since it uses more digits than its factorization.

54776125849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468086 (or 234043 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 58.

It can be divided in two parts, 54776 and 125849, that added together give a square (180625 = 425²).

The spelling of 54776125849 in words is "fifty-four billion, seven hundred seventy-six million, one hundred twenty-five thousand, eight hundred forty-nine".