51443532051 has 8 divisors (see below), whose sum is σ = 69715825104. Its totient is φ = 33733463520.

The previous prime is 51443532017. The next prime is 51443532059. The reversal of 51443532051 is 15023534415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51443532051 - 2³⁰ = 50369790227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51443532059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140555916 + ... + 140556281.

It is an arithmetic number, because the mean of its divisors is an integer number (8714478138).

Almost surely, 2^51443532051 is an apocalyptic number.

51443532051 is a deficient number, since it is larger than the sum of its proper divisors (18272293053).

51443532051 is a wasteful number, since it uses less digits than its factorization.

51443532051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281112261.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 51443532051 in words is "fifty-one billion, four hundred forty-three million, five hundred thirty-two thousand, fifty-one".