52191336406 has 16 divisors (see below), whose sum is σ = 86432971968. Its totient is φ = 23437510600.

The previous prime is 52191336389. The next prime is 52191336427. The reversal of 52191336406 is 60463319125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14289340 + ... + 14292991.

It is an arithmetic number, because the mean of its divisors is an integer number (5402060748).

Almost surely, 2^52191336406 is an apocalyptic number.

52191336406 is a deficient number, since it is larger than the sum of its proper divisors (34241635562).

52191336406 is a wasteful number, since it uses less digits than its factorization.

52191336406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28582427.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 52191336406 in words is "fifty-two billion, one hundred ninety-one million, three hundred thirty-six thousand, four hundred six".