54120425 has 6 divisors (see below), whose sum is σ = 67109358. Its totient is φ = 43296320.

The previous prime is 54120413. The next prime is 54120427. The reversal of 54120425 is 52402145.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4177936 + 49942489 = 2044^2 + 7067^2 .

It is not a de Polignac number, because 54120425 - 2⁶ = 54120361 is a prime.

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 54120425.

It is not an unprimeable number, because it can be changed into a prime (54120427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1082384 + ... + 1082433.

It is an arithmetic number, because the mean of its divisors is an integer number (11184893).

Almost surely, 2^54120425 is an apocalyptic number.

It is an amenable number.

54120425 is a deficient number, since it is larger than the sum of its proper divisors (12988933).

54120425 is a wasteful number, since it uses less digits than its factorization.

54120425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164827 (or 2164822 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 54120425 is about 7356.6585485531. The cubic root of 54120425 is about 378.2570804209.

It can be divided in two parts, 54120 and 425, that added together give a palindrome (54545).

The spelling of 54120425 in words is "fifty-four million, one hundred twenty thousand, four hundred twenty-five".