51174424 has 24 divisors (see below), whose sum is σ = 111618540. Its totient is φ = 21931728.

The previous prime is 51174421. The next prime is 51174427. The reversal of 51174424 is 42447115.

It is an interprime number because it is at equal distance from previous prime (51174421) and next prime (51174427).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 51174392 and 51174401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51174421) 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 5 ways as a sum of consecutive naturals, for example, 64882 + ... + 65665.

Almost surely, 2^51174424 is an apocalyptic number.

It is an amenable number.

51174424 is an abundant number, since it is smaller than the sum of its proper divisors (60444116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51174424 is a wasteful number, since it uses less digits than its factorization.

51174424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130567 (or 130556 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 51174424 is about 7153.6301274248. The cubic root of 51174424 is about 371.2652665596.

The spelling of 51174424 in words is "fifty-one million, one hundred seventy-four thousand, four hundred twenty-four".