51151108 has 12 divisors (see below), whose sum is σ = 91698012. Its totient is φ = 24951680.

The previous prime is 51151091. The next prime is 51151109. The reversal of 51151108 is 80115115.

It can be written as a sum of positive squares in 2 ways, for example, as 2458624 + 48692484 = 1568^2 + 6978^2 .

It is not an unprimeable number, because it can be changed into a prime (51151109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155785 + ... + 156112.

It is an arithmetic number, because the mean of its divisors is an integer number (7641501).

Almost surely, 2^51151108 is an apocalyptic number.

It is an amenable number.

51151108 is a deficient number, since it is larger than the sum of its proper divisors (40546904).

51151108 is a wasteful number, since it uses less digits than its factorization.

51151108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311942 (or 311940 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 22.

The square root of 51151108 is about 7152.0002796421. Note that the first 3 decimals coincide. The cubic root of 51151108 is about 371.2088729207.

The spelling of 51151108 in words is "fifty-one million, one hundred fifty-one thousand, one hundred eight".