51230355055 has 64 divisors (see below), whose sum is σ = 70400171520. Its totient is φ = 35461324800.

The previous prime is 51230355041. The next prime is 51230355097. The reversal of 51230355055 is 55055303215.

It is not a de Polignac number, because 51230355055 - 2¹³ = 51230346863 is a prime.

It is a super-2 number, since 2×51230355055² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51230355055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16164511 + ... + 16167679.

It is an arithmetic number, because the mean of its divisors is an integer number (1100002680).

Almost surely, 2^51230355055 is an apocalyptic number.

51230355055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51230355055 is a deficient number, since it is larger than the sum of its proper divisors (19169816465).

51230355055 is a wasteful number, since it uses less digits than its factorization.

51230355055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400.

The product of its (nonzero) digits is 56250, while the sum is 34.

The spelling of 51230355055 in words is "fifty-one billion, two hundred thirty million, three hundred fifty-five thousand, fifty-five".