53746745522 has 18 divisors (see below), whose sum is σ = 85650322653. Its totient is φ = 25289963232.

The previous prime is 53746745467. The next prime is 53746745527. The reversal of 53746745522 is 22554764735.

It can be written as a sum of positive squares in 2 ways, for example, as 49190360521 + 4556385001 = 221789^2 + 67501^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=163931.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53746745527) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5568833 + ... + 5578475.

Almost surely, 2^53746745522 is an apocalyptic number.

53746745522 is a deficient number, since it is larger than the sum of its proper divisors (31903577131).

53746745522 is an frugal number, since it uses more digits than its factorization.

53746745522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19322 (or 9662 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 50.

Multiplying 53746745522 by its sum of digits (50), we get a square (2687337276100 = 1639310²).

The spelling of 53746745522 in words is "fifty-three billion, seven hundred forty-six million, seven hundred forty-five thousand, five hundred twenty-two".