51029238 has 16 divisors (see below), whose sum is σ = 109909296. Its totient is φ = 15701280.

The previous prime is 51029227. The next prime is 51029273. The reversal of 51029238 is 83292015.

It is a happy number.

51029238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 327033 + ... + 327188.

It is an arithmetic number, because the mean of its divisors is an integer number (6869331).

Almost surely, 2^51029238 is an apocalyptic number.

51029238 is an abundant number, since it is smaller than the sum of its proper divisors (58880058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51029238 is a wasteful number, since it uses less digits than its factorization.

51029238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654239.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 51029238 is about 7143.4752046885. The cubic root of 51029238 is about 370.9138307541.

The spelling of 51029238 in words is "fifty-one million, twenty-nine thousand, two hundred thirty-eight".