51001108 has 12 divisors (see below), whose sum is σ = 89301940. Its totient is φ = 25486272.

The previous prime is 51001043. The next prime is 51001109. The reversal of 51001108 is 80110015.

It can be written as a sum of positive squares in 2 ways, for example, as 1411344 + 49589764 = 1188^2 + 7042^2 .

It is a super-2 number, since 2×51001108² = 5202226034455328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51001091 and 51001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51001109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12310 + ... + 15922.

Almost surely, 2^51001108 is an apocalyptic number.

It is an amenable number.

51001108 is a deficient number, since it is larger than the sum of its proper divisors (38300832).

51001108 is a wasteful number, since it uses less digits than its factorization.

51001108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7146 (or 7144 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 51001108 is about 7141.5060036382. The cubic root of 51001108 is about 370.8456624890.

The spelling of 51001108 in words is "fifty-one million, one thousand, one hundred eight".