51484356 has 192 divisors, whose sum is σ = 171601920. Its totient is φ = 12960000.

The previous prime is 51484351. The next prime is 51484361. The reversal of 51484356 is 65348415.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51484351) and next prime (51484361).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51484356.

It is not an unprimeable number, because it can be changed into a prime (51484351) 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 63 ways as a sum of consecutive naturals, for example, 340881 + ... + 341031.

It is an arithmetic number, because the mean of its divisors is an integer number (893760).

Almost surely, 2^51484356 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 51484356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85800960).

51484356 is an abundant number, since it is smaller than the sum of its proper divisors (120117564).

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

51484356 is a wasteful number, since it uses less digits than its factorization.

51484356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 215 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 51484356 is about 7175.2599952894. The cubic root of 51484356 is about 372.0132669566.

The spelling of 51484356 in words is "fifty-one million, four hundred eighty-four thousand, three hundred fifty-six".