53331231606 has 32 divisors (see below), whose sum is σ = 109564309248. Its totient is φ = 17293603680.

The previous prime is 53331231601. The next prime is 53331231619. The reversal of 53331231606 is 60613213335.

It is a happy number.

It is a super-2 number, since 2×53331231606² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53331231601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1507881 + ... + 1542843.

It is an arithmetic number, because the mean of its divisors is an integer number (3423884664).

Almost surely, 2^53331231606 is an apocalyptic number.

53331231606 is an abundant number, since it is smaller than the sum of its proper divisors (56233077642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53331231606 is a wasteful number, since it uses less digits than its factorization.

53331231606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41876.

The product of its (nonzero) digits is 29160, while the sum is 33.

The spelling of 53331231606 in words is "fifty-three billion, three hundred thirty-one million, two hundred thirty-one thousand, six hundred six".