51250089 has 16 divisors (see below), whose sum is σ = 74721024. Its totient is φ = 30987600.

The previous prime is 51250081. The next prime is 51250091. The reversal of 51250089 is 98005215.

It is not a de Polignac number, because 51250089 - 2³ = 51250081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51250081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14622 + ... + 17784.

It is an arithmetic number, because the mean of its divisors is an integer number (4670064).

Almost surely, 2^51250089 is an apocalyptic number.

It is an amenable number.

51250089 is a deficient number, since it is larger than the sum of its proper divisors (23470935).

51250089 is a wasteful number, since it uses less digits than its factorization.

51250089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 51250089 is about 7158.9167476651. The cubic root of 51250089 is about 371.4481570892.

The spelling of 51250089 in words is "fifty-one million, two hundred fifty thousand, eighty-nine".