52523691905 has 8 divisors (see below), whose sum is σ = 63042902592. Its totient is φ = 42009305328.

The previous prime is 52523691877. The next prime is 52523691907. The reversal of 52523691905 is 50919632525.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52523691905 - 2²⁴ = 52506914689 is a prime.

It is a super-2 number, since 2×52523691905² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52523691905.

It is not an unprimeable number, because it can be changed into a prime (52523691907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182029 + ... + 1225658.

It is an arithmetic number, because the mean of its divisors is an integer number (7880362824).

Almost surely, 2^52523691905 is an apocalyptic number.

It is an amenable number.

52523691905 is a deficient number, since it is larger than the sum of its proper divisors (10519210687).

52523691905 is a wasteful number, since it uses less digits than its factorization.

52523691905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412055.

The product of its (nonzero) digits is 729000, while the sum is 47.

The spelling of 52523691905 in words is "fifty-two billion, five hundred twenty-three million, six hundred ninety-one thousand, nine hundred five".