51846730 has 16 divisors (see below), whose sum is σ = 100503144. Its totient is φ = 19143360.

The previous prime is 51846727. The next prime is 51846737. The reversal of 51846730 is 3764815.

51846730 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 4 ways, for example, as 28100601 + 23746129 = 5301^2 + 4873^2 .

It is not an unprimeable number, because it can be changed into a prime (51846737) 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, 199281 + ... + 199540.

Almost surely, 2^51846730 is an apocalyptic number.

51846730 is a deficient number, since it is larger than the sum of its proper divisors (48656414).

51846730 is a wasteful number, since it uses less digits than its factorization.

51846730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398841.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 51846730 is about 7200.4673459436. The cubic root of 51846730 is about 372.8840355678.

The spelling of 51846730 in words is "fifty-one million, eight hundred forty-six thousand, seven hundred thirty".