51750150 has 24 divisors (see below), whose sum is σ = 128340744. Its totient is φ = 13800000.

The previous prime is 51750137. The next prime is 51750151. The reversal of 51750150 is 5105715.

It is a self number, because there is not a number n which added to its sum of digits gives 51750150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51750151) 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 11 ways as a sum of consecutive naturals, for example, 172351 + ... + 172650.

It is an arithmetic number, because the mean of its divisors is an integer number (5347531).

Almost surely, 2^51750150 is an apocalyptic number.

51750150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51750150 is an abundant number, since it is smaller than the sum of its proper divisors (76590594).

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

51750150 is a wasteful number, since it uses less digits than its factorization.

51750150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345016 (or 345011 counting only the distinct ones).

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 51750150 is about 7193.7577106822. The cubic root of 51750150 is about 372.6523557359.

Adding to 51750150 its reverse (5105715), we get a palindrome (56855865).

The spelling of 51750150 in words is "fifty-one million, seven hundred fifty thousand, one hundred fifty".