51550316 has 12 divisors (see below), whose sum is σ = 90924288. Its totient is φ = 25571952.

The previous prime is 51550309. The next prime is 51550319. The reversal of 51550316 is 61305515.

It is not an unprimeable number, because it can be changed into a prime (51550319) 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, 50231 + ... + 51246.

It is an arithmetic number, because the mean of its divisors is an integer number (7577024).

Almost surely, 2^51550316 is an apocalyptic number.

It is an amenable number.

51550316 is a deficient number, since it is larger than the sum of its proper divisors (39373972).

51550316 is a wasteful number, since it uses less digits than its factorization.

51550316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101608 (or 101606 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 51550316 is about 7179.8548731851. The cubic root of 51550316 is about 372.1720693927.

The spelling of 51550316 in words is "fifty-one million, five hundred fifty thousand, three hundred sixteen".