54509173825 has 12 divisors (see below), whose sum is σ = 67831922988. Its totient is φ = 43452147200.

The previous prime is 54509173799. The next prime is 54509173843. The reversal of 54509173825 is 52837190545.

It can be written as a sum of positive squares in 6 ways, for example, as 476636224 + 54032537601 = 21832^2 + 232449^2 .

It is not a de Polignac number, because 54509173825 - 2²⁹ = 53972302913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3872632 + ... + 3886681.

It is an arithmetic number, because the mean of its divisors is an integer number (5652660249).

Almost surely, 2^54509173825 is an apocalyptic number.

It is an amenable number.

54509173825 is a deficient number, since it is larger than the sum of its proper divisors (13322749163).

54509173825 is a wasteful number, since it uses less digits than its factorization.

54509173825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7759604 (or 7759599 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 54509173825 in words is "fifty-four billion, five hundred nine million, one hundred seventy-three thousand, eight hundred twenty-five".