51456611032 has 8 divisors (see below), whose sum is σ = 96481145700. Its totient is φ = 25728305512.

The previous prime is 51456611021. The next prime is 51456611081. The reversal of 51456611032 is 23011665415.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3216038182 + ... + 3216038197.

Almost surely, 2^51456611032 is an apocalyptic number.

It is an amenable number.

51456611032 is a deficient number, since it is larger than the sum of its proper divisors (45024534668).

51456611032 is a wasteful number, since it uses less digits than its factorization.

51456611032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432076385 (or 6432076381 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 51456611032 in words is "fifty-one billion, four hundred fifty-six million, six hundred eleven thousand, thirty-two".