51323230201055 has 16 divisors (see below), whose sum is σ = 62632038996000. Its totient is φ = 40362482334720.

The previous prime is 51323230201037. The next prime is 51323230201057. The reversal of 51323230201055 is 55010203232315.

It is not a de Polignac number, because 51323230201055 - 2¹⁰ = 51323230200031 is a prime.

It is a super-2 number, since 2×51323230201055² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51323230201057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119274695 + ... + 119704215.

It is an arithmetic number, because the mean of its divisors is an integer number (3914502437250).

Almost surely, 2^{51323230201055} is an apocalyptic number.

51323230201055 is a deficient number, since it is larger than the sum of its proper divisors (11308808794945).

51323230201055 is a wasteful number, since it uses less digits than its factorization.

51323230201055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834634.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 51323230201055 in words is "fifty-one trillion, three hundred twenty-three billion, two hundred thirty million, two hundred one thousand, fifty-five".