51098311 has 8 divisors (see below), whose sum is σ = 59022864. Its totient is φ = 43720320.

The previous prime is 51098309. The next prime is 51098317. The reversal of 51098311 is 11389015.

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

It is a cyclic number.

It is not a de Polignac number, because 51098311 - 2¹ = 51098309 is a prime.

It is a super-2 number, since 2×51098311² = 5222074774105442, 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 51098311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51098317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136440 + ... + 136813.

It is an arithmetic number, because the mean of its divisors is an integer number (7377858).

Almost surely, 2^51098311 is an apocalyptic number.

51098311 is a deficient number, since it is larger than the sum of its proper divisors (7924553).

51098311 is a wasteful number, since it uses less digits than its factorization.

51098311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273281.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 51098311 is about 7148.3082614000. The cubic root of 51098311 is about 371.0811111927.

The spelling of 51098311 in words is "fifty-one million, ninety-eight thousand, three hundred eleven".