53522001540 has 144 divisors (see below), whose sum is σ = 191941102080. Its totient is φ = 11811744000.

The previous prime is 53522001479. The next prime is 53522001623. The reversal of 53522001540 is 4510022535.

It is a happy number.

53522001540 is a `hidden beast` number, since 53 + 52 + 20 + 0 + 1 + 540 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 695836 + ... + 768915.

It is an arithmetic number, because the mean of its divisors is an integer number (1332924320).

Almost surely, 2^53522001540 is an apocalyptic number.

It is an amenable number.

53522001540 is an abundant number, since it is smaller than the sum of its proper divisors (138419100540).

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

53522001540 is a wasteful number, since it uses less digits than its factorization.

53522001540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464802 (or 1464797 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 53522001540 in words is "fifty-three billion, five hundred twenty-two million, one thousand, five hundred forty".