51098671 has 12 divisors (see below), whose sum is σ = 55760832. Its totient is φ = 46802496.

The previous prime is 51098639. The next prime is 51098683. The reversal of 51098671 is 17689015.

It is not a de Polignac number, because 51098671 - 2⁵ = 51098639 is a prime.

It is a super-2 number, since 2×51098671² = 5222148355932482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51098671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51098471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22050 + ... + 24256.

It is an arithmetic number, because the mean of its divisors is an integer number (4646736).

Almost surely, 2^51098671 is an apocalyptic number.

51098671 is a deficient number, since it is larger than the sum of its proper divisors (4662161).

51098671 is a wasteful number, since it uses less digits than its factorization.

51098671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 51098671 is about 7148.3334421388. Note that the first 3 decimals coincide. The cubic root of 51098671 is about 371.0819826428.

The spelling of 51098671 in words is "fifty-one million, ninety-eight thousand, six hundred seventy-one".