45545052053 has 4 divisors (see below), whose sum is σ = 48224172780. Its totient is φ = 42865931328.

The previous prime is 45545052029. The next prime is 45545052071. The reversal of 45545052053 is 35025054554.

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 12616231684 + 32928820369 = 112322^2 + 181463^2 .

It is a cyclic number.

It is not a de Polignac number, because 45545052053 - 2⁶ = 45545051989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45545051998 and 45545052016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45545052083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339560338 + ... + 1339560371.

It is an arithmetic number, because the mean of its divisors is an integer number (12056043195).

Almost surely, 2^45545052053 is an apocalyptic number.

It is an amenable number.

45545052053 is a deficient number, since it is larger than the sum of its proper divisors (2679120727).

45545052053 is a wasteful number, since it uses less digits than its factorization.

45545052053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679120726.

The product of its (nonzero) digits is 300000, while the sum is 38.

The spelling of 45545052053 in words is "forty-five billion, five hundred forty-five million, fifty-two thousand, fifty-three".