2281977553 has 4 divisors (see below), whose sum is σ = 2343652660. Its totient is φ = 2220302448.

The previous prime is 2281977469. The next prime is 2281977557. The reversal of 2281977553 is 3557791822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2181637264 + 100340289 = 46708^2 + 10017^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281977553 - 2²⁹ = 1745106641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2281977497 and 2281977506.

It is not an unprimeable number, because it can be changed into a prime (2281977557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30837498 + ... + 30837571.

It is an arithmetic number, because the mean of its divisors is an integer number (585913165).

Almost surely, 2^2281977553 is an apocalyptic number.

It is an amenable number.

2281977553 is a deficient number, since it is larger than the sum of its proper divisors (61675107).

2281977553 is an equidigital number, since it uses as much as digits as its factorization.

2281977553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61675106.

The product of its digits is 1058400, while the sum is 49.

The square root of 2281977553 is about 47770.0487020895. The cubic root of 2281977553 is about 1316.5492884805.

The spelling of 2281977553 in words is "two billion, two hundred eighty-one million, nine hundred seventy-seven thousand, five hundred fifty-three".