51298478 has 16 divisors (see below), whose sum is σ = 95935104. Its totient is φ = 19986360.

The previous prime is 51298447. The next prime is 51298501. The reversal of 51298478 is 87489215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166400 + ... + 166707.

It is an arithmetic number, because the mean of its divisors is an integer number (5995944).

Almost surely, 2^51298478 is an apocalyptic number.

51298478 is a deficient number, since it is larger than the sum of its proper divisors (44636626).

51298478 is a wasteful number, since it uses less digits than its factorization.

51298478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333127.

The product of its digits is 161280, while the sum is 44.

The square root of 51298478 is about 7162.2955817252. The cubic root of 51298478 is about 371.5650242097.

The spelling of 51298478 in words is "fifty-one million, two hundred ninety-eight thousand, four hundred seventy-eight".