51298342 has 4 divisors (see below), whose sum is σ = 76947516. Its totient is φ = 25649170.

The previous prime is 51298319. The next prime is 51298363. The reversal of 51298342 is 24389215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24389215 = 5 ⋅4877843.

It is a junction number, because it is equal to n+sod(n) for n = 51298298 and 51298307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12824584 + ... + 12824587.

It is an arithmetic number, because the mean of its divisors is an integer number (19236879).

Almost surely, 2^51298342 is an apocalyptic number.

51298342 is a deficient number, since it is larger than the sum of its proper divisors (25649174).

51298342 is a wasteful number, since it uses less digits than its factorization.

51298342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25649173.

The product of its digits is 17280, while the sum is 34.

The square root of 51298342 is about 7162.2860875561. The cubic root of 51298342 is about 371.5646958511.

The spelling of 51298342 in words is "fifty-one million, two hundred ninety-eight thousand, three hundred forty-two".