54381725 has 24 divisors (see below), whose sum is σ = 71870400. Its totient is φ = 40677120.

The previous prime is 54381721. The next prime is 54381731. The reversal of 54381725 is 52718345.

It is a happy number.

It is not a de Polignac number, because 54381725 - 2² = 54381721 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54381721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84254 + ... + 84896.

It is an arithmetic number, because the mean of its divisors is an integer number (2994600).

Almost surely, 2^54381725 is an apocalyptic number.

It is an amenable number.

54381725 is a deficient number, since it is larger than the sum of its proper divisors (17488675).

54381725 is a wasteful number, since it uses less digits than its factorization.

54381725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 864 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 54381725 is about 7374.3965854841. The cubic root of 54381725 is about 378.8648603991.

The spelling of 54381725 in words is "fifty-four million, three hundred eighty-one thousand, seven hundred twenty-five".