53505660612 has 48 divisors (see below), whose sum is σ = 129441779712. Its totient is φ = 17183828640.

The previous prime is 53505660539. The next prime is 53505660631. The reversal of 53505660612 is 21606650535.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232368 + ... + 401255.

It is an arithmetic number, because the mean of its divisors is an integer number (2696703744).

Almost surely, 2^53505660612 is an apocalyptic number.

It is an amenable number.

53505660612 is an abundant number, since it is smaller than the sum of its proper divisors (75936119100).

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

53505660612 is a wasteful number, since it uses less digits than its factorization.

53505660612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633888 (or 633886 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 53505660612 in words is "fifty-three billion, five hundred five million, six hundred sixty thousand, six hundred twelve".