51350366 has 4 divisors (see below), whose sum is σ = 77025552. Its totient is φ = 25675182.

The previous prime is 51350363. The next prime is 51350371. The reversal of 51350366 is 66305315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66305315 = 5 ⋅13261063.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51350363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12837590 + ... + 12837593.

It is an arithmetic number, because the mean of its divisors is an integer number (19256388).

Almost surely, 2^51350366 is an apocalyptic number.

51350366 is a deficient number, since it is larger than the sum of its proper divisors (25675186).

51350366 is a wasteful number, since it uses less digits than its factorization.

51350366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25675185.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 51350366 is about 7165.9169685393. The cubic root of 51350366 is about 371.6902603436.

The spelling of 51350366 in words is "fifty-one million, three hundred fifty thousand, three hundred sixty-six".