45520820552 has 8 divisors (see below), whose sum is σ = 85351538550. Its totient is φ = 22760410272.

The previous prime is 45520820479. The next prime is 45520820557. The reversal of 45520820552 is 25502802554.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42150553636 + 3370266916 = 205306^2 + 58054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (45520820557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845051277 + ... + 2845051292.

Almost surely, 2^45520820552 is an apocalyptic number.

It is an amenable number.

45520820552 is a deficient number, since it is larger than the sum of its proper divisors (39830717998).

45520820552 is a wasteful number, since it uses less digits than its factorization.

45520820552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690102575 (or 5690102571 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 45520820552 in words is "forty-five billion, five hundred twenty million, eight hundred twenty thousand, five hundred fifty-two".