5555481 has 16 divisors (see below), whose sum is σ = 7930944. Its totient is φ = 3446784.

The previous prime is 5555461. The next prime is 5555491. The reversal of 5555481 is 1845555.

It is not a de Polignac number, because 5555481 - 2¹⁷ = 5424409 is a prime.

It is a super-2 number, since 2×5555481² = 61726738282722, which contains 22 as substring.

It is a Curzon number.

5555481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5555401) 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, 4386 + ... + 5508.

It is an arithmetic number, because the mean of its divisors is an integer number (495684).

Almost surely, 2^5555481 is an apocalyptic number.

5555481 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5555481 is a deficient number, since it is larger than the sum of its proper divisors (2375463).

5555481 is a wasteful number, since it uses less digits than its factorization.

5555481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240.

The product of its digits is 20000, while the sum is 33.

The square root of 5555481 is about 2357.0067882804. The cubic root of 5555481 is about 177.1089692559.

The spelling of 5555481 in words is "five million, five hundred fifty-five thousand, four hundred eighty-one".