51146356 has 12 divisors (see below), whose sum is σ = 89685540. Its totient is φ = 25521920.

The previous prime is 51146327. The next prime is 51146357. The reversal of 51146356 is 65364115.

51146356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32947600 + 18198756 = 5740^2 + 4266^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51146357) 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 3 ways as a sum of consecutive naturals, for example, 10525 + ... + 14596.

It is an arithmetic number, because the mean of its divisors is an integer number (7473795).

Almost surely, 2^51146356 is an apocalyptic number.

It is an amenable number.

51146356 is a deficient number, since it is larger than the sum of its proper divisors (38539184).

51146356 is a wasteful number, since it uses less digits than its factorization.

51146356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25634 (or 25632 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 51146356 is about 7151.6680571738. The cubic root of 51146356 is about 371.1973773131.

The spelling of 51146356 in words is "fifty-one million, one hundred forty-six thousand, three hundred fifty-six".