51846379204 has 81 divisors (see below), whose sum is σ = 99607871349. Its totient is φ = 23607728640.

The previous prime is 51846379183. The next prime is 51846379213. The reversal of 51846379204 is 40297364815.

It is a happy number.

The square root of 51846379204 is 227698.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 22289892804 + 29556486400 = 149298^2 + 171920^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 286443994 + ... + 286444174.

It is a 2-persistent number, because it is pandigital, and so is 2⋅51846379204 = 103692758408, but 3⋅51846379204 = 155539137612 is not.

Almost surely, 2^51846379204 is an apocalyptic number.

51846379204 is the 227698-th square number.

It is an amenable number.

51846379204 is a deficient number, since it is larger than the sum of its proper divisors (47761492145).

51846379204 is a wasteful number, since it uses less digits than its factorization.

51846379204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

Multiplying 51846379204 by its sum of digits (49), we get a square (2540472580996 = 1593886²).

It can be divided in two parts, 5184637 and 9204, that added together give a square (5193841 = 2279²).

The spelling of 51846379204 in words is "fifty-one billion, eight hundred forty-six million, three hundred seventy-nine thousand, two hundred four".