51102859 has 2 divisors, whose sum is σ = 51102860. Its totient is φ = 51102858.

The previous prime is 51102841. The next prime is 51102893. The reversal of 51102859 is 95820115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51102859 - 2⁵ = 51102827 is a prime.

It is a super-2 number, since 2×51102859² = 5223004395947762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51102859.

It is not a weakly prime, because it can be changed into another prime (51102829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551429 + 25551430.

It is an arithmetic number, because the mean of its divisors is an integer number (25551430).

Almost surely, 2^51102859 is an apocalyptic number.

51102859 is a deficient number, since it is larger than the sum of its proper divisors (1).

51102859 is an equidigital number, since it uses as much as digits as its factorization.

51102859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 51102859 is about 7148.6263715486. The cubic root of 51102859 is about 371.0921202116.

The spelling of 51102859 in words is "fifty-one million, one hundred two thousand, eight hundred fifty-nine".