51483856 has 10 divisors (see below), whose sum is σ = 99750002. Its totient is φ = 25741920.

The previous prime is 51483851. The next prime is 51483869. The reversal of 51483856 is 65838415.

It can be written as a sum of positive squares in only one way, i.e., 50637456 + 846400 = 7116^2 + 920^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51483851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608855 + ... + 1608886.

Almost surely, 2^51483856 is an apocalyptic number.

It is an amenable number.

51483856 is a deficient number, since it is larger than the sum of its proper divisors (48266146).

51483856 is a wasteful number, since it uses less digits than its factorization.

51483856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217749 (or 3217743 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 51483856 is about 7175.2251532617. The cubic root of 51483856 is about 372.0120626605.

The spelling of 51483856 in words is "fifty-one million, four hundred eighty-three thousand, eight hundred fifty-six".