51930910088 has 108 divisors (see below), whose sum is σ = 106116433605. Its totient is φ = 23822641920.

The previous prime is 51930910081. The next prime is 51930910117. The reversal of 51930910088 is 88001903915.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 32797934404 + 19132975684 = 181102^2 + 138322^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=161138.

It is a super-3 number, since 3×51930910088³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51930910081) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 459565520 + ... + 459565632.

Almost surely, 2^51930910088 is an apocalyptic number.

It is an amenable number.

51930910088 is an abundant number, since it is smaller than the sum of its proper divisors (54185523517).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51930910088 is a wasteful number, since it uses less digits than its factorization.

51930910088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 51930910088 in words is "fifty-one billion, nine hundred thirty million, nine hundred ten thousand, eighty-eight".