51550302023 has 4 divisors (see below), whose sum is σ = 56236693128. Its totient is φ = 46863910920.

The previous prime is 51550301927. The next prime is 51550302043. The reversal of 51550302023 is 32020305515.

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 51550302023 - 2⁸ = 51550301767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51550301983 and 51550302001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51550302043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343195536 + ... + 2343195557.

It is an arithmetic number, because the mean of its divisors is an integer number (14059173282).

Almost surely, 2^51550302023 is an apocalyptic number.

51550302023 is a deficient number, since it is larger than the sum of its proper divisors (4686391105).

51550302023 is a wasteful number, since it uses less digits than its factorization.

51550302023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686391104.

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 51550302023 its reverse (32020305515), we get a palindrome (83570607538).

The spelling of 51550302023 in words is "fifty-one billion, five hundred fifty million, three hundred two thousand, twenty-three".