51105026 has 32 divisors (see below), whose sum is σ = 93208320. Its totient is φ = 20586048.

The previous prime is 51105023. The next prime is 51105031. The reversal of 51105026 is 62050115.

It is a super-2 number, since 2×51105026² = 5223447364921352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51104989 and 51105007.

It is not an unprimeable number, because it can be changed into a prime (51105023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68411 + ... + 69153.

It is an arithmetic number, because the mean of its divisors is an integer number (2912760).

Almost surely, 2^51105026 is an apocalyptic number.

51105026 is a deficient number, since it is larger than the sum of its proper divisors (42103294).

51105026 is an equidigital number, since it uses as much as digits as its factorization.

51105026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 51105026 is about 7148.7779375219. Note that the first 3 decimals coincide. The cubic root of 51105026 is about 371.0973654841.

The spelling of 51105026 in words is "fifty-one million, one hundred five thousand, twenty-six".