51604298 has 8 divisors (see below), whose sum is σ = 78867108. Its totient is φ = 25315264.

The previous prime is 51604297. The next prime is 51604309. The reversal of 51604298 is 89240615.

51604298 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 41383489 + 10220809 = 6433^2 + 3197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51604297) 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, 243311 + ... + 243522.

Almost surely, 2^51604298 is an apocalyptic number.

51604298 is a deficient number, since it is larger than the sum of its proper divisors (27262810).

51604298 is a wasteful number, since it uses less digits than its factorization.

51604298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486888.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 51604298 is about 7183.6131577362. The cubic root of 51604298 is about 372.3019333491.

The spelling of 51604298 in words is "fifty-one million, six hundred four thousand, two hundred ninety-eight".