45522050521 has 2 divisors, whose sum is σ = 45522050522. Its totient is φ = 45522050520.

The previous prime is 45522050507. The next prime is 45522050531. The reversal of 45522050521 is 12505022554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24012601600 + 21509448921 = 154960^2 + 146661^2 .

It is a cyclic number.

It is not a de Polignac number, because 45522050521 - 2⁷ = 45522050393 is a prime.

It is not a weakly prime, because it can be changed into another prime (45522050531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22761025260 + 22761025261.

It is an arithmetic number, because the mean of its divisors is an integer number (22761025261).

Almost surely, 2^45522050521 is an apocalyptic number.

It is an amenable number.

45522050521 is a deficient number, since it is larger than the sum of its proper divisors (1).

45522050521 is an equidigital number, since it uses as much as digits as its factorization.

45522050521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 45522050521 in words is "forty-five billion, five hundred twenty-two million, fifty thousand, five hundred twenty-one".