51098427 has 6 divisors (see below), whose sum is σ = 73808852. Its totient is φ = 34065612.

The previous prime is 51098417. The next prime is 51098431. The reversal of 51098427 is 72489015.

It is not a de Polignac number, because 51098427 - 2⁶ = 51098363 is a prime.

It is a super-2 number, since 2×51098427² = 5222098483748658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51098391 and 51098400.

It is not an unprimeable number, because it can be changed into a prime (51098407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2838793 + ... + 2838810.

Almost surely, 2^51098427 is an apocalyptic number.

51098427 is a deficient number, since it is larger than the sum of its proper divisors (22710425).

51098427 is a wasteful number, since it uses less digits than its factorization.

51098427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677609 (or 5677606 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 51098427 is about 7148.3163752033. The cubic root of 51098427 is about 371.0813919937.

The spelling of 51098427 in words is "fifty-one million, ninety-eight thousand, four hundred twenty-seven".