51142029 has 16 divisors (see below), whose sum is σ = 70260480. Its totient is φ = 33065280.

The previous prime is 51142019. The next prime is 51142031. The reversal of 51142029 is 92024115.

51142029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51142029 - 2⁵ = 51141997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51142019) 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 15 ways as a sum of consecutive naturals, for example, 47307 + ... + 48375.

It is an arithmetic number, because the mean of its divisors is an integer number (4391280).

Almost surely, 2^51142029 is an apocalyptic number.

It is an amenable number.

51142029 is a deficient number, since it is larger than the sum of its proper divisors (19118451).

51142029 is a wasteful number, since it uses less digits than its factorization.

51142029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 51142029 is about 7151.3655339383. The cubic root of 51142029 is about 371.1869092077.

The spelling of 51142029 in words is "fifty-one million, one hundred forty-two thousand, twenty-nine".