51108386 has 32 divisors (see below), whose sum is σ = 90357120. Its totient is φ = 21225600.

The previous prime is 51108383. The next prime is 51108401. The reversal of 51108386 is 68380115.

It is a super-2 number, since 2×51108386² = 5224134239049992, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51108383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154241 + ... + 154571.

It is an arithmetic number, because the mean of its divisors is an integer number (2823660).

Almost surely, 2^51108386 is an apocalyptic number.

51108386 is a deficient number, since it is larger than the sum of its proper divisors (39248734).

51108386 is a wasteful number, since it uses less digits than its factorization.

51108386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 51108386 is about 7149.0129388609. The cubic root of 51108386 is about 371.1054981469.

The spelling of 51108386 in words is "fifty-one million, one hundred eight thousand, three hundred eighty-six".