51415108 has 12 divisors (see below), whose sum is σ = 90156780. Its totient is φ = 25656032.

The previous prime is 51415093. The next prime is 51415129. The reversal of 51415108 is 80151415.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45995524 + 5419584 = 6782^2 + 2328^2 .

It is an unprimeable number.

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, 10591 + ... + 14662.

It is an arithmetic number, because the mean of its divisors is an integer number (7513065).

Almost surely, 2^51415108 is an apocalyptic number.

It is an amenable number.

51415108 is a deficient number, since it is larger than the sum of its proper divisors (38741672).

51415108 is a wasteful number, since it uses less digits than its factorization.

51415108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25766 (or 25764 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 51415108 is about 7170.4329018547. The cubic root of 51415108 is about 371.8464024616.

The spelling of 51415108 in words is "fifty-one million, four hundred fifteen thousand, one hundred eight".