53148321522 has 24 divisors (see below), whose sum is σ = 115303697964. Its totient is φ = 17693183904.

The previous prime is 53148321517. The next prime is 53148321529. The reversal of 53148321522 is 22512384135.

53148321522 is a `hidden beast` number, since 5 + 31 + 4 + 83 + 21 + 522 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51578497881 + 1569823641 = 227109^2 + 39621^2 .

It is not an unprimeable number, because it can be changed into a prime (53148321529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1895973 + ... + 1923800.

Almost surely, 2^53148321522 is an apocalyptic number.

53148321522 is an abundant number, since it is smaller than the sum of its proper divisors (62155376442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53148321522 is a wasteful number, since it uses less digits than its factorization.

53148321522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820554 (or 3820551 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 53148321522 in words is "fifty-three billion, one hundred forty-eight million, three hundred twenty-one thousand, five hundred twenty-two".