54256725 has 18 divisors (see below), whose sum is σ = 97180226. Its totient is φ = 28936800.

The previous prime is 54256717. The next prime is 54256733. The reversal of 54256725 is 52765245.

It is an interprime number because it is at equal distance from previous prime (54256717) and next prime (54256733).

It can be written as a sum of positive squares in 3 ways, for example, as 762129 + 53494596 = 873^2 + 7314^2 .

It is not a de Polignac number, because 54256725 - 2³ = 54256717 is a prime.

It is a super-3 number, since 3×54256725³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54256725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 120346 + ... + 120795.

Almost surely, 2^54256725 is an apocalyptic number.

It is an amenable number.

54256725 is a deficient number, since it is larger than the sum of its proper divisors (42923501).

54256725 is a wasteful number, since it uses less digits than its factorization.

54256725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241157 (or 241149 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 54256725 is about 7365.9164399279. The cubic root of 54256725 is about 378.5743557047.

The spelling of 54256725 in words is "fifty-four million, two hundred fifty-six thousand, seven hundred twenty-five".