45552442013 has 8 divisors (see below), whose sum is σ = 49346753400. Its totient is φ = 42048405984.

The previous prime is 45552442009. The next prime is 45552442063. The reversal of 45552442013 is 31024425554.

45552442013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2139802564 + 43412639449 = 46258^2 + 208357^2 .

It is not a de Polignac number, because 45552442013 - 2² = 45552442009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45552442063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10364768 + ... + 10369161.

It is an arithmetic number, because the mean of its divisors is an integer number (6168344175).

Almost surely, 2^45552442013 is an apocalyptic number.

It is an amenable number.

45552442013 is a deficient number, since it is larger than the sum of its proper divisors (3794311387).

45552442013 is an equidigital number, since it uses as much as digits as its factorization.

45552442013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20733968 (or 20733942 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 45552442013 its reverse (31024425554), we get a palindrome (76576867567).

The spelling of 45552442013 in words is "forty-five billion, five hundred fifty-two million, four hundred forty-two thousand, thirteen".