51282107 has 4 divisors (see below), whose sum is σ = 51477360. Its totient is φ = 51086856.

The previous prime is 51282079. The next prime is 51282113. The reversal of 51282107 is 70128215.

51282107 = 304² + 305² + ... + 566².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70128215 = 5 ⋅14025643.

It is a cyclic number.

It is not a de Polignac number, because 51282107 - 2⁸ = 51281851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51282137) 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, 97232 + ... + 97757.

It is an arithmetic number, because the mean of its divisors is an integer number (12869340).

Almost surely, 2^51282107 is an apocalyptic number.

51282107 is a deficient number, since it is larger than the sum of its proper divisors (195253).

51282107 is a wasteful number, since it uses less digits than its factorization.

51282107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195252.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 51282107 is about 7161.1526306873. The cubic root of 51282107 is about 371.5254938737.

The spelling of 51282107 in words is "fifty-one million, two hundred eighty-two thousand, one hundred seven".