54780125 has 8 divisors (see below), whose sum is σ = 68365752. Its totient is φ = 43824000.

The previous prime is 54780119. The next prime is 54780157. The reversal of 54780125 is 52108745.

It can be written as a sum of positive squares in 4 ways, for example, as 64516 + 54715609 = 254^2 + 7397^2 .

It is not a de Polignac number, because 54780125 - 2⁴ = 54780109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54780091 and 54780100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218996 + ... + 219245.

It is an arithmetic number, because the mean of its divisors is an integer number (8545719).

Almost surely, 2^54780125 is an apocalyptic number.

It is an amenable number.

54780125 is a deficient number, since it is larger than the sum of its proper divisors (13585627).

54780125 is an equidigital number, since it uses as much as digits as its factorization.

54780125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438256 (or 438246 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 54780125 is about 7401.3596723845. The cubic root of 54780125 is about 379.7877970343.

The spelling of 54780125 in words is "fifty-four million, seven hundred eighty thousand, one hundred twenty-five".