54090401 has 4 divisors (see below), whose sum is σ = 54648132. Its totient is φ = 53532672.

The previous prime is 54090383. The next prime is 54090419. The reversal of 54090401 is 10409045.

54090401 = 5200² + 5201².

It is a happy number.

54090401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10409045 = 5 ⋅2081809.

It is an interprime number because it is at equal distance from previous prime (54090383) and next prime (54090419).

It can be written as a sum of positive squares in 2 ways, for example, as 27050401 + 27040000 = 5201^2 + 5200^2 .

It is a cyclic number.

It is not a de Polignac number, because 54090401 - 2¹⁰ = 54089377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54090451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278720 + ... + 278913.

It is an arithmetic number, because the mean of its divisors is an integer number (13662033).

Almost surely, 2^54090401 is an apocalyptic number.

54090401 is the 5201-st centered square number.

It is an amenable number.

54090401 is a deficient number, since it is larger than the sum of its proper divisors (557731).

54090401 is an equidigital number, since it uses as much as digits as its factorization.

54090401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557730.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 54090401 is about 7354.6176651135. The cubic root of 54090401 is about 378.1871198263.

Adding to 54090401 its reverse (10409045), we get a palindrome (64499446).

The spelling of 54090401 in words is "fifty-four million, ninety thousand, four hundred one".