51073089 has 24 divisors (see below), whose sum is σ = 72913152. Its totient is φ = 31765440.

The previous prime is 51073081. The next prime is 51073091. The reversal of 51073089 is 98037015.

It is not a de Polignac number, because 51073089 - 2³ = 51073081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51073081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77887 + ... + 78539.

It is an arithmetic number, because the mean of its divisors is an integer number (3038048).

Almost surely, 2^51073089 is an apocalyptic number.

It is an amenable number.

51073089 is a deficient number, since it is larger than the sum of its proper divisors (21840063).

51073089 is a wasteful number, since it uses less digits than its factorization.

51073089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 51073089 is about 7146.5438500019. The cubic root of 51073089 is about 371.0200462380.

The spelling of 51073089 in words is "fifty-one million, seventy-three thousand, eighty-nine".