5505046381 has 2 divisors, whose sum is σ = 5505046382. Its totient is φ = 5505046380.

The previous prime is 5505046373. The next prime is 5505046447. The reversal of 5505046381 is 1836405055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5493033225 + 12013156 = 74115^2 + 3466^2 .

It is a cyclic number.

It is not a de Polignac number, because 5505046381 - 2³ = 5505046373 is a prime.

It is a super-2 number, since 2×5505046381² = 60611071313922394322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5505046381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5505046331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752523190 + 2752523191.

It is an arithmetic number, because the mean of its divisors is an integer number (2752523191).

Almost surely, 2^5505046381 is an apocalyptic number.

It is an amenable number.

5505046381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5505046381 is an equidigital number, since it uses as much as digits as its factorization.

5505046381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 5505046381 is about 74195.9997641382. Note that the first 3 decimals coincide. The cubic root of 5505046381 is about 1765.7138657487.

The spelling of 5505046381 in words is "five billion, five hundred five million, forty-six thousand, three hundred eighty-one".