51751350 has 108 divisors (see below), whose sum is σ = 161807724. Its totient is φ = 11823840.

The previous prime is 51751331. The next prime is 51751351. The reversal of 51751350 is 5315715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51751351) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 20877 + ... + 23223.

Almost surely, 2^51751350 is an apocalyptic number.

51751350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51751350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80903862).

51751350 is an abundant number, since it is smaller than the sum of its proper divisors (110056374).

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

51751350 is a wasteful number, since it uses less digits than its factorization.

51751350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 51751350 is about 7193.8411158435. The cubic root of 51751350 is about 372.6552361100.

The spelling of 51751350 in words is "fifty-one million, seven hundred fifty-one thousand, three hundred fifty".