52423666417 has 4 divisors (see below), whose sum is σ = 52579226596. Its totient is φ = 52268106240.

The previous prime is 52423666409. The next prime is 52423666423. The reversal of 52423666417 is 71466632425.

52423666417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23762530801 + 28661135616 = 154151^2 + 169296^2 .

It is a cyclic number.

It is not a de Polignac number, because 52423666417 - 2³ = 52423666409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52423666447) 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, 77779584 + ... + 77780257.

It is an arithmetic number, because the mean of its divisors is an integer number (13144806649).

Almost surely, 2^52423666417 is an apocalyptic number.

It is an amenable number.

52423666417 is a deficient number, since it is larger than the sum of its proper divisors (155560179).

52423666417 is a wasteful number, since it uses less digits than its factorization.

52423666417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155560178.

The product of its digits is 1451520, while the sum is 46.

The spelling of 52423666417 in words is "fifty-two billion, four hundred twenty-three million, six hundred sixty-six thousand, four hundred seventeen".