45505050025 has 6 divisors (see below), whose sum is σ = 56426262062. Its totient is φ = 36404040000.

The previous prime is 45505050023. The next prime is 45505050037. The reversal of 45505050025 is 52005050554.

It can be written as a sum of positive squares in 3 ways, for example, as 1490268816 + 44014781209 = 38604^2 + 209797^2 .

It is not a de Polignac number, because 45505050025 - 2¹ = 45505050023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45505050023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 910100976 + ... + 910101025.

Almost surely, 2^45505050025 is an apocalyptic number.

It is an amenable number.

45505050025 is a deficient number, since it is larger than the sum of its proper divisors (10921212037).

45505050025 is a wasteful number, since it uses less digits than its factorization.

45505050025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820202011 (or 1820202006 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The spelling of 45505050025 in words is "forty-five billion, five hundred five million, fifty thousand, twenty-five".