53953062516 has 18 divisors (see below), whose sum is σ = 136381352562. Its totient is φ = 17984354160.

The previous prime is 53953062481. The next prime is 53953062539. The reversal of 53953062516 is 61526035935.

53953062516 is a `hidden beast` number, since 5 + 3 + 9 + 5 + 3 + 0 + 625 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48927670416 + 5025392100 = 221196^2 + 70890^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 749348055 + ... + 749348126.

It is an arithmetic number, because the mean of its divisors is an integer number (7576741809).

Almost surely, 2^53953062516 is an apocalyptic number.

It is an amenable number.

53953062516 is an abundant number, since it is smaller than the sum of its proper divisors (82428290046).

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

53953062516 is a wasteful number, since it uses less digits than its factorization.

53953062516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498696191 (or 1498696186 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 45.

The spelling of 53953062516 in words is "fifty-three billion, nine hundred fifty-three million, sixty-two thousand, five hundred sixteen".