51123674 has 16 divisors (see below), whose sum is σ = 87963648. Its totient is φ = 21829392.

The previous prime is 51123659. The next prime is 51123691. The reversal of 51123674 is 47632115.

It is a super-2 number, since 2×51123674² = 5227260086516552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2714 + ... + 10469.

It is an arithmetic number, because the mean of its divisors is an integer number (5497728).

Almost surely, 2^51123674 is an apocalyptic number.

51123674 is a deficient number, since it is larger than the sum of its proper divisors (36839974).

51123674 is a wasteful number, since it uses less digits than its factorization.

51123674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13469.

The product of its digits is 5040, while the sum is 29.

The square root of 51123674 is about 7150.0820974308. The cubic root of 51123674 is about 371.1424972625.

Adding to 51123674 its reverse (47632115), we get a palindrome (98755789).

The spelling of 51123674 in words is "fifty-one million, one hundred twenty-three thousand, six hundred seventy-four".