545534401 has 8 divisors (see below), whose sum is σ = 584639424. Its totient is φ = 507711600.

The previous prime is 545534389. The next prime is 545534413. The reversal of 545534401 is 104435545.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (545534389) and next prime (545534413).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545534401 - 2¹⁵ = 545501633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545534201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319675 + ... + 321376.

It is an arithmetic number, because the mean of its divisors is an integer number (73079928).

Almost surely, 2^545534401 is an apocalyptic number.

It is an amenable number.

545534401 is a deficient number, since it is larger than the sum of its proper divisors (39105023).

545534401 is a wasteful number, since it uses less digits than its factorization.

545534401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641111.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 545534401 is about 23356.6778673680. The cubic root of 545534401 is about 817.0978116244.

Adding to 545534401 its reverse (104435545), we get a palindrome (649969946).

The spelling of 545534401 in words is "five hundred forty-five million, five hundred thirty-four thousand, four hundred one".