51233430431054 has 16 divisors (see below), whose sum is σ = 76933199783328. Its totient is φ = 25589031242112.

The previous prime is 51233430430999. The next prime is 51233430431081. The reversal of 51233430431054 is 45013403433215.

It is a junction number, because it is equal to n+sod(n) for n = 51233430430999 and 51233430431017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192827402 + ... + 193092914.

It is an arithmetic number, because the mean of its divisors is an integer number (4808324986458).

Almost surely, 2^{51233430431054} is an apocalyptic number.

51233430431054 is a deficient number, since it is larger than the sum of its proper divisors (25699769352274).

51233430431054 is a wasteful number, since it uses less digits than its factorization.

51233430431054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369419.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 51233430431054 its reverse (45013403433215), we get a palindrome (96246833864269).

The spelling of 51233430431054 in words is "fifty-one trillion, two hundred thirty-three billion, four hundred thirty million, four hundred thirty-one thousand, fifty-four".