53381720006 has 16 divisors (see below), whose sum is σ = 80961050016. Its totient is φ = 26396326656.

The previous prime is 53381719969. The next prime is 53381720071. The reversal of 53381720006 is 60002718335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339851 + ... + 471446.

It is an arithmetic number, because the mean of its divisors is an integer number (5060065626).

Almost surely, 2^53381720006 is an apocalyptic number.

53381720006 is a deficient number, since it is larger than the sum of its proper divisors (27579330010).

53381720006 is a wasteful number, since it uses less digits than its factorization.

53381720006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811663.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 53381720006 in words is "fifty-three billion, three hundred eighty-one million, seven hundred twenty thousand, six".