52007791545 has 96 divisors (see below), whose sum is σ = 94363975680. Its totient is φ = 26467482240.

The previous prime is 52007791543. The next prime is 52007791571. The reversal of 52007791545 is 54519770025.

52007791545 is a `hidden beast` number, since 520 + 0 + 7 + 79 + 1 + 54 + 5 = 666.

It is not a de Polignac number, because 52007791545 - 2¹ = 52007791543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 52007791545.

It is not an unprimeable number, because it can be changed into a prime (52007791541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40662216 + ... + 40663494.

It is an arithmetic number, because the mean of its divisors is an integer number (982958080).

Almost surely, 2^52007791545 is an apocalyptic number.

It is an amenable number.

52007791545 is a deficient number, since it is larger than the sum of its proper divisors (42356184135).

52007791545 is a wasteful number, since it uses less digits than its factorization.

52007791545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 52007791545 in words is "fifty-two billion, seven million, seven hundred ninety-one thousand, five hundred forty-five".