52666055401 has 4 divisors (see below), whose sum is σ = 52668963712. Its totient is φ = 52663147092.

The previous prime is 52666055399. The next prime is 52666055419. The reversal of 52666055401 is 10455066625.

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 52666055401 - 2¹ = 52666055399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52666055501) 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, 1426821 + ... + 1463266.

It is an arithmetic number, because the mean of its divisors is an integer number (13167240928).

Almost surely, 2^52666055401 is an apocalyptic number.

It is an amenable number.

52666055401 is a deficient number, since it is larger than the sum of its proper divisors (2908311).

52666055401 is a wasteful number, since it uses less digits than its factorization.

52666055401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908310.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 52666055401 in words is "fifty-two billion, six hundred sixty-six million, fifty-five thousand, four hundred one".