5455376220581 has 16 divisors (see below), whose sum is σ = 6304909564800. Its totient is φ = 4623393696768.

The previous prime is 5455376220473. The next prime is 5455376220611. The reversal of 5455376220581 is 1850226735545.

It is not a de Polignac number, because 5455376220581 - 2⁴² = 1057329709477 is a prime.

It is a super-2 number, since 2×5455376220581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5455370220581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43085141 + ... + 43211573.

It is an arithmetic number, because the mean of its divisors is an integer number (394056847800).

Almost surely, 2^{5455376220581} is an apocalyptic number.

It is an amenable number.

5455376220581 is a deficient number, since it is larger than the sum of its proper divisors (849533344219).

5455376220581 is a wasteful number, since it uses less digits than its factorization.

5455376220581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195788.

The product of its (nonzero) digits is 10080000, while the sum is 53.

The spelling of 5455376220581 in words is "five trillion, four hundred fifty-five billion, three hundred seventy-six million, two hundred twenty thousand, five hundred eighty-one".