51483250 has 128 divisors (see below), whose sum is σ = 124121088. Its totient is φ = 15552000.

The previous prime is 51483247. The next prime is 51483253. The reversal of 51483250 is 5238415.

51483250 = T₂₅ + T₂₆ + ... + T₆₇₅.

It is an interprime number because it is at equal distance from previous prime (51483247) and next prime (51483253).

It is not an unprimeable number, because it can be changed into a prime (51483253) 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, 705214 + ... + 705286.

It is an arithmetic number, because the mean of its divisors is an integer number (969696).

Almost surely, 2^51483250 is an apocalyptic number.

51483250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51483250 is an abundant number, since it is smaller than the sum of its proper divisors (72637838).

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

51483250 is a wasteful number, since it uses less digits than its factorization.

51483250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 51483250 is about 7175.1829244975. The cubic root of 51483250 is about 372.0106030431.

The spelling of 51483250 in words is "fifty-one million, four hundred eighty-three thousand, two hundred fifty".