51174984 has 64 divisors (see below), whose sum is σ = 146764800. Its totient is φ = 14566464.

The previous prime is 51174943. The next prime is 51174989. The reversal of 51174984 is 48947115.

It is not an unprimeable number, because it can be changed into a prime (51174989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70029 + ... + 70755.

It is an arithmetic number, because the mean of its divisors is an integer number (2293200).

Almost surely, 2^51174984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51174984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73382400).

51174984 is an abundant number, since it is smaller than the sum of its proper divisors (95589816).

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

51174984 is a wasteful number, since it uses less digits than its factorization.

51174984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1158 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 51174984 is about 7153.6692682846. The cubic root of 51174984 is about 371.2666208024.

It can be divided in two parts, 5117 and 4984, that added together give a palindrome (10101).

The spelling of 51174984 in words is "fifty-one million, one hundred seventy-four thousand, nine hundred eighty-four".