51243433054 has 8 divisors (see below), whose sum is σ = 83852890488. Its totient is φ = 23292469560.

The previous prime is 51243433049. The next prime is 51243433069. The reversal of 51243433054 is 45033434215.

It is a happy number.

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, 1164623457 + ... + 1164623500.

It is an arithmetic number, because the mean of its divisors is an integer number (10481611311).

Almost surely, 2^51243433054 is an apocalyptic number.

51243433054 is a deficient number, since it is larger than the sum of its proper divisors (32609457434).

51243433054 is a wasteful number, since it uses less digits than its factorization.

51243433054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329246970.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 51243433054 its reverse (45033434215), we get a palindrome (96276867269).

The spelling of 51243433054 in words is "fifty-one billion, two hundred forty-three million, four hundred thirty-three thousand, fifty-four".