51046015 has 4 divisors (see below), whose sum is σ = 61255224. Its totient is φ = 40836808.

The previous prime is 51046013. The next prime is 51046043. The reversal of 51046015 is 51064015.

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 51046015 - 2¹ = 51046013 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51046013) 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, 5104597 + ... + 5104606.

It is an arithmetic number, because the mean of its divisors is an integer number (15313806).

Almost surely, 2^51046015 is an apocalyptic number.

51046015 is a deficient number, since it is larger than the sum of its proper divisors (10209209).

51046015 is a wasteful number, since it uses less digits than its factorization.

51046015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10209208.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 51046015 is about 7144.6493965764. The cubic root of 51046015 is about 370.9544750314.

The spelling of 51046015 in words is "fifty-one million, forty-six thousand, fifteen".