52945649064 has 96 divisors (see below), whose sum is σ = 178777535040. Its totient is φ = 13752115200.

The previous prime is 52945649027. The next prime is 52945649077. The reversal of 52945649064 is 46094654925.

52945649064 is a `hidden beast` number, since 5 + 2 + 94 + 5 + 6 + 490 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 52945649064.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4769497 + ... + 4780584.

It is an arithmetic number, because the mean of its divisors is an integer number (1862265990).

Almost surely, 2^52945649064 is an apocalyptic number.

It is an amenable number.

52945649064 is an abundant number, since it is smaller than the sum of its proper divisors (125831885976).

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

52945649064 is a wasteful number, since it uses less digits than its factorization.

52945649064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9550111 (or 9550104 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 52945649064 in words is "fifty-two billion, nine hundred forty-five million, six hundred forty-nine thousand, sixty-four".