54643169825 has 12 divisors (see below), whose sum is σ = 67796954988. Its totient is φ = 43689100800.

The previous prime is 54643169821. The next prime is 54643169827. The reversal of 54643169825 is 52896134645.

It is a happy number.

54643169825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2419951249 + 52223218576 = 49193^2 + 228524^2 .

It is not a de Polignac number, because 54643169825 - 2² = 54643169821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54643169821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591992 + ... + 678041.

It is an arithmetic number, because the mean of its divisors is an integer number (5649746249).

Almost surely, 2^54643169825 is an apocalyptic number.

It is an amenable number.

54643169825 is a deficient number, since it is larger than the sum of its proper divisors (13153785163).

54643169825 is a wasteful number, since it uses less digits than its factorization.

54643169825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271764 (or 1271759 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 53.

The spelling of 54643169825 in words is "fifty-four billion, six hundred forty-three million, one hundred sixty-nine thousand, eight hundred twenty-five".