51233430431055 has 32 divisors (see below), whose sum is σ = 84536994885120. Its totient is φ = 26483039999360.

The previous prime is 51233430430999. The next prime is 51233430431081. The reversal of 51233430431055 is 55013403433215.

It is not a de Polignac number, because 51233430431055 - 2⁷ = 51233430430927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407619432 + ... + 407745101.

It is an arithmetic number, because the mean of its divisors is an integer number (2641781090160).

Almost surely, 2^{51233430431055} is an apocalyptic number.

51233430431055 is a deficient number, since it is larger than the sum of its proper divisors (33303564454065).

51233430431055 is a wasteful number, since it uses less digits than its factorization.

51233430431055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815364671.

The product of its (nonzero) digits is 324000, while the sum is 39.

The spelling of 51233430431055 in words is "fifty-one trillion, two hundred thirty-three billion, four hundred thirty million, four hundred thirty-one thousand, fifty-five".