51090063 has 16 divisors (see below), whose sum is σ = 70071936. Its totient is φ = 33092640.

The previous prime is 51090029. The next prime is 51090079. The reversal of 51090063 is 36009015.

51090063 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 51090063 - 2⁸ = 51089807 is a prime.

It is a super-2 number, since 2×51090063² = 5220389074687938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51090863) 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, 26281 + ... + 28157.

It is an arithmetic number, because the mean of its divisors is an integer number (4379496).

Almost surely, 2^51090063 is an apocalyptic number.

51090063 is a deficient number, since it is larger than the sum of its proper divisors (18981873).

51090063 is a wasteful number, since it uses less digits than its factorization.

51090063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 51090063 is about 7147.7313183975. The cubic root of 51090063 is about 371.0611441811.

Adding to 51090063 its reverse (36009015), we get a palindrome (87099078).

The spelling of 51090063 in words is "fifty-one million, ninety thousand, sixty-three".