51120079 has 4 divisors (see below), whose sum is σ = 51134776. Its totient is φ = 51105384.

The previous prime is 51120061. The next prime is 51120119. The reversal of 51120079 is 97002115.

51120079 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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 51120079 - 2⁷ = 51119951 is a prime.

It is a super-2 number, since 2×51120079² = 5226524953932482, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51120029) 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, 1132 + ... + 10174.

It is an arithmetic number, because the mean of its divisors is an integer number (12783694).

Almost surely, 2^51120079 is an apocalyptic number.

51120079 is a deficient number, since it is larger than the sum of its proper divisors (14697).

51120079 is an equidigital number, since it uses as much as digits as its factorization.

51120079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14696.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 51120079 is about 7149.8306972963. The cubic root of 51120079 is about 371.1337975190.

The spelling of 51120079 in words is "fifty-one million, one hundred twenty thousand, seventy-nine".