51547108 has 12 divisors (see below), whose sum is σ = 90451900. Its totient is φ = 25703712.

The previous prime is 51547099. The next prime is 51547129. The reversal of 51547108 is 80174515.

It can be written as a sum of positive squares in 2 ways, for example, as 41062464 + 10484644 = 6408^2 + 3238^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51547108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15783 + ... + 18766.

Almost surely, 2^51547108 is an apocalyptic number.

It is an amenable number.

51547108 is a deficient number, since it is larger than the sum of its proper divisors (38904792).

51547108 is a wasteful number, since it uses less digits than its factorization.

51547108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34926 (or 34924 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 51547108 is about 7179.6314668651. The cubic root of 51547108 is about 372.1643490859.

The spelling of 51547108 in words is "fifty-one million, five hundred forty-seven thousand, one hundred eight".