51227560 has 32 divisors (see below), whose sum is σ = 115799040. Its totient is φ = 20395584.

The previous prime is 51227551. The next prime is 51227563. The reversal of 51227560 is 6572215.

51227560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51227563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6049 + ... + 11791.

It is an arithmetic number, because the mean of its divisors is an integer number (3618720).

Almost surely, 2^51227560 is an apocalyptic number.

It is an amenable number.

51227560 is an abundant number, since it is smaller than the sum of its proper divisors (64571480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51227560 is a wasteful number, since it uses less digits than its factorization.

51227560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977 (or 5973 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 51227560 is about 7157.3430824573. The cubic root of 51227560 is about 371.3937208778.

Adding to 51227560 its reverse (6572215), we get a palindrome (57799775).

The spelling of 51227560 in words is "fifty-one million, two hundred twenty-seven thousand, five hundred sixty".