55081958401 has 16 divisors (see below), whose sum is σ = 56645049600. Its totient is φ = 53544198400.

The previous prime is 55081958369. The next prime is 55081958413. The reversal of 55081958401 is 10485918055.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55081958401 - 2⁵ = 55081958369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55081958431) 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 15 ways as a sum of consecutive naturals, for example, 2256381 + ... + 2280661.

It is an arithmetic number, because the mean of its divisors is an integer number (3540315600).

Almost surely, 2^55081958401 is an apocalyptic number.

It is an amenable number.

55081958401 is a deficient number, since it is larger than the sum of its proper divisors (1563091199).

55081958401 is a wasteful number, since it uses less digits than its factorization.

55081958401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24800.

The product of its (nonzero) digits is 288000, while the sum is 46.

The spelling of 55081958401 in words is "fifty-five billion, eighty-one million, nine hundred fifty-eight thousand, four hundred one".