51153023 has 4 divisors (see below), whose sum is σ = 51352320. Its totient is φ = 50953728.

The previous prime is 51152987. The next prime is 51153029. The reversal of 51153023 is 32035115.

51153023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51153023 - 2¹⁰ = 51151999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51152986 and 51153004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51153029) 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 3 ways as a sum of consecutive naturals, for example, 99263 + ... + 99776.

It is an arithmetic number, because the mean of its divisors is an integer number (12838080).

Almost surely, 2^51153023 is an apocalyptic number.

51153023 is a deficient number, since it is larger than the sum of its proper divisors (199297).

51153023 is a wasteful number, since it uses less digits than its factorization.

51153023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199296.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 51153023 is about 7152.1341570191. The cubic root of 51153023 is about 371.2135053138.

Adding to 51153023 its reverse (32035115), we get a palindrome (83188138).

The spelling of 51153023 in words is "fifty-one million, one hundred fifty-three thousand, twenty-three".