52666001601 has 4 divisors (see below), whose sum is σ = 70221335472. Its totient is φ = 35110667732.

The previous prime is 52666001567. The next prime is 52666001617. The reversal of 52666001601 is 10610066625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52666001601 - 2¹⁴ = 52665985217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52666001651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8777666931 + ... + 8777666936.

It is an arithmetic number, because the mean of its divisors is an integer number (17555333868).

Almost surely, 2^52666001601 is an apocalyptic number.

It is an amenable number.

52666001601 is a deficient number, since it is larger than the sum of its proper divisors (17555333871).

52666001601 is a wasteful number, since it uses less digits than its factorization.

52666001601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17555333870.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 52666001601 in words is "fifty-two billion, six hundred sixty-six million, one thousand, six hundred one".