51532023 has 4 divisors (see below), whose sum is σ = 68709368. Its totient is φ = 34354680.

The previous prime is 51532021. The next prime is 51532027. The reversal of 51532023 is 32023515.

51532023 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 not a de Polignac number, because 51532023 - 2¹ = 51532021 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 (51532021) 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, 8588668 + ... + 8588673.

It is an arithmetic number, because the mean of its divisors is an integer number (17177342).

Almost surely, 2^51532023 is an apocalyptic number.

51532023 is a deficient number, since it is larger than the sum of its proper divisors (17177345).

51532023 is a wasteful number, since it uses less digits than its factorization.

51532023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17177344.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 51532023 is about 7178.5808486079. The cubic root of 51532023 is about 372.1280415402.

Adding to 51532023 its reverse (32023515), we get a palindrome (83555538).

The spelling of 51532023 in words is "fifty-one million, five hundred thirty-two thousand, twenty-three".