55543005401 has 8 divisors (see below), whose sum is σ = 59921796480. Its totient is φ = 51179393232.

The previous prime is 55543005367. The next prime is 55543005451. The reversal of 55543005401 is 10450034555.

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 55543005401 - 2¹⁸ = 55542743257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55543005451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3787121 + ... + 3801758.

It is an arithmetic number, because the mean of its divisors is an integer number (7490224560).

Almost surely, 2^55543005401 is an apocalyptic number.

It is an amenable number.

55543005401 is a deficient number, since it is larger than the sum of its proper divisors (4378791079).

55543005401 is a wasteful number, since it uses less digits than its factorization.

55543005401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7589455.

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 55543005401 its reverse (10450034555), we get a palindrome (65993039956).

The spelling of 55543005401 in words is "fifty-five billion, five hundred forty-three million, five thousand, four hundred one".