51229444232 has 36 divisors (see below), whose sum is σ = 98393871285. Its totient is φ = 25005587040.

The previous prime is 51229444219. The next prime is 51229444261. The reversal of 51229444232 is 23244492215.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 27293022436 + 23936421796 = 165206^2 + 154714^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=160046.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27526982 + ... + 27528842.

Almost surely, 2^51229444232 is an apocalyptic number.

It is an amenable number.

51229444232 is a deficient number, since it is larger than the sum of its proper divisors (47164427053).

51229444232 is an frugal number, since it uses more digits than its factorization.

51229444232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814 (or 1906 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The spelling of 51229444232 in words is "fifty-one billion, two hundred twenty-nine million, four hundred forty-four thousand, two hundred thirty-two".