51105086 has 16 divisors (see below), whose sum is σ = 77695200. Its totient is φ = 25208928.

The previous prime is 51105083. The next prime is 51105101. The reversal of 51105086 is 68050115.

It is a super-2 number, since 2×51105086² = 5223459630134792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51105083) 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, 77936 + ... + 78588.

It is an arithmetic number, because the mean of its divisors is an integer number (4855950).

Almost surely, 2^51105086 is an apocalyptic number.

51105086 is a deficient number, since it is larger than the sum of its proper divisors (26590114).

51105086 is a wasteful number, since it uses less digits than its factorization.

51105086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 51105086 is about 7148.7821340421. The cubic root of 51105086 is about 371.0975107134.

The spelling of 51105086 in words is "fifty-one million, one hundred five thousand, eighty-six".