51790123 has 16 divisors (see below), whose sum is σ = 64753920. Its totient is φ = 40240800.

The previous prime is 51790049. The next prime is 51790163. The reversal of 51790123 is 32109715.

It is a cyclic number.

It is not a de Polignac number, because 51790123 - 2²⁵ = 18235691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51790091 and 51790100.

It is not an unprimeable number, because it can be changed into a prime (51790163) 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, 34768 + ... + 36226.

It is an arithmetic number, because the mean of its divisors is an integer number (4047120).

Almost surely, 2^51790123 is an apocalyptic number.

51790123 is a deficient number, since it is larger than the sum of its proper divisors (12963797).

51790123 is a wasteful number, since it uses less digits than its factorization.

51790123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 51790123 is about 7196.5354859126. The cubic root of 51790123 is about 372.7482794445.

Adding to 51790123 its reverse (32109715), we get a palindrome (83899838).

The spelling of 51790123 in words is "fifty-one million, seven hundred ninety thousand, one hundred twenty-three".