51045707 has 4 divisors (see below), whose sum is σ = 51060816. Its totient is φ = 51030600.

The previous prime is 51045691. The next prime is 51045719. The reversal of 51045707 is 70754015.

51045707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70754015 = 5 ⋅14150803.

It is a cyclic number.

It is not a de Polignac number, because 51045707 - 2⁴ = 51045691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51045707.

It is not an unprimeable number, because it can be changed into a prime (51045767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98 + ... + 10104.

It is an arithmetic number, because the mean of its divisors is an integer number (12765204).

Almost surely, 2^51045707 is an apocalyptic number.

51045707 is a deficient number, since it is larger than the sum of its proper divisors (15109).

51045707 is a wasteful number, since it uses less digits than its factorization.

51045707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15108.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 51045707 is about 7144.6278419523. The cubic root of 51045707 is about 370.9537289450.

The spelling of 51045707 in words is "fifty-one million, forty-five thousand, seven hundred seven".