51445432054 has 8 divisors (see below), whose sum is σ = 77285248920. Its totient is φ = 25683682416.

The previous prime is 51445432039. The next prime is 51445432097. The reversal of 51445432054 is 45023454415.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19515159 + ... + 19517794.

It is an arithmetic number, because the mean of its divisors is an integer number (9660656115).

Almost surely, 2^51445432054 is an apocalyptic number.

51445432054 is a deficient number, since it is larger than the sum of its proper divisors (25839816866).

51445432054 is a wasteful number, since it uses less digits than its factorization.

51445432054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39033614.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 51445432054 its reverse (45023454415), we get a palindrome (96468886469).

The spelling of 51445432054 in words is "fifty-one billion, four hundred forty-five million, four hundred thirty-two thousand, fifty-four".