55921412955 has 8 divisors (see below), whose sum is σ = 89474260752. Its totient is φ = 29824753568.

The previous prime is 55921412951. The next prime is 55921412971.

55921412955 is nontrivially palindromic in base 10.

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 55921412955 - 2² = 55921412951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55921412951) 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 7 ways as a sum of consecutive naturals, for example, 1864047084 + ... + 1864047113.

It is an arithmetic number, because the mean of its divisors is an integer number (11184282594).

Almost surely, 2^55921412955 is an apocalyptic number.

55921412955 is a deficient number, since it is larger than the sum of its proper divisors (33552847797).

55921412955 is a wasteful number, since it uses less digits than its factorization.

55921412955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728094205.

The product of its digits is 810000, while the sum is 48.

Adding to 55921412955 its product of digits (810000), we get a palindrome (55922222955).

Subtracting from 55921412955 its product of digits (810000), we obtain a palindrome (55920602955).

The spelling of 55921412955 in words is "fifty-five billion, nine hundred twenty-one million, four hundred twelve thousand, nine hundred fifty-five".