52442041545 has 16 divisors (see below), whose sum is σ = 93230296320. Its totient is φ = 27969088752.

The previous prime is 52442041537. The next prime is 52442041559. The reversal of 52442041545 is 54514024425.

52442041545 is a `hidden beast` number, since 52 + 4 + 4 + 20 + 41 + 545 = 666.

It is not a de Polignac number, because 52442041545 - 2³ = 52442041537 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194229649 + ... + 194229918.

It is an arithmetic number, because the mean of its divisors is an integer number (5826893520).

Almost surely, 2^52442041545 is an apocalyptic number.

It is an amenable number.

52442041545 is a deficient number, since it is larger than the sum of its proper divisors (40788254775).

52442041545 is a wasteful number, since it uses less digits than its factorization.

52442041545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388459581 (or 388459575 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 52442041545 in words is "fifty-two billion, four hundred forty-two million, forty-one thousand, five hundred forty-five".