51023159 has 12 divisors (see below), whose sum is σ = 56274960. Its totient is φ = 46226400.

The previous prime is 51023129. The next prime is 51023183. The reversal of 51023159 is 95132015.

51023159 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 51023159 - 2⁸ = 51022903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51023129) 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 11 ways as a sum of consecutive naturals, for example, 48974 + ... + 50004.

It is an arithmetic number, because the mean of its divisors is an integer number (4689580).

Almost surely, 2^51023159 is an apocalyptic number.

51023159 is a deficient number, since it is larger than the sum of its proper divisors (5251801).

51023159 is a wasteful number, since it uses less digits than its factorization.

51023159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 51023159 is about 7143.0496988331. The cubic root of 51023159 is about 370.8991014550.

The spelling of 51023159 in words is "fifty-one million, twenty-three thousand, one hundred fifty-nine".