51122029 has 4 divisors (see below), whose sum is σ = 58425184. Its totient is φ = 43818876.

The previous prime is 51122021. The next prime is 51122047. The reversal of 51122029 is 92022115.

51122029 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51122029 - 2³ = 51122021 is a prime.

It is a super-2 number, since 2×51122029² = 5226923698153682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122021) 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, 3651567 + ... + 3651580.

It is an arithmetic number, because the mean of its divisors is an integer number (14606296).

Almost surely, 2^51122029 is an apocalyptic number.

It is an amenable number.

51122029 is a deficient number, since it is larger than the sum of its proper divisors (7303155).

51122029 is an equidigital number, since it uses as much as digits as its factorization.

51122029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7303154.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 51122029 is about 7149.9670628612. The cubic root of 51122029 is about 371.1385164847.

The spelling of 51122029 in words is "fifty-one million, one hundred twenty-two thousand, twenty-nine".