51000107 has 4 divisors (see below), whose sum is σ = 52186200. Its totient is φ = 49814016.

The previous prime is 51000083. The next prime is 51000113. The reversal of 51000107 is 70100015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51000107 - 2¹⁰ = 50999083 is a prime.

It is a super-2 number, since 2×51000107² = 5202021828022898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51000091 and 51000100.

It is not an unprimeable number, because it can be changed into a prime (51000127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592982 + ... + 593067.

It is an arithmetic number, because the mean of its divisors is an integer number (13046550).

Almost surely, 2^51000107 is an apocalyptic number.

51000107 is a deficient number, since it is larger than the sum of its proper divisors (1186093).

51000107 is a wasteful number, since it uses less digits than its factorization.

51000107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186092.

The product of its (nonzero) digits is 35, while the sum is 14.

The square root of 51000107 is about 7141.4359200374. The cubic root of 51000107 is about 370.8432362741.

The spelling of 51000107 in words is "fifty-one million, one hundred seven", and thus it is an aban number.