51341550 has 96 divisors (see below), whose sum is σ = 138928608. Its totient is φ = 12472320.

The previous prime is 51341539. The next prime is 51341551. The reversal of 51341550 is 5514315.

It is a self number, because there is not a number n which added to its sum of digits gives 51341550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51341551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220234 + ... + 220466.

It is an arithmetic number, because the mean of its divisors is an integer number (1447173).

Almost surely, 2^51341550 is an apocalyptic number.

51341550 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 51341550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69464304).

51341550 is an abundant number, since it is smaller than the sum of its proper divisors (87587058).

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

51341550 is a wasteful number, since it uses less digits than its factorization.

51341550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 51341550 is about 7165.3018080190. The cubic root of 51341550 is about 371.6689881234.

Adding to 51341550 its reverse (5514315), we get a palindrome (56855865).

The spelling of 51341550 in words is "fifty-one million, three hundred forty-one thousand, five hundred fifty".