51710550 has 48 divisors (see below), whose sum is σ = 130438080. Its totient is φ = 13553440.

The previous prime is 51710543. The next prime is 51710557. The reversal of 51710550 is 5501715.

It is an interprime number because it is at equal distance from previous prime (51710543) and next prime (51710557).

It is a self number, because there is not a number n which added to its sum of digits gives 51710550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51710557) 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 23 ways as a sum of consecutive naturals, for example, 5929 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (2717460).

Almost surely, 2^51710550 is an apocalyptic number.

51710550 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 51710550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65219040).

51710550 is an abundant number, since it is smaller than the sum of its proper divisors (78727530).

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

51710550 is a wasteful number, since it uses less digits than its factorization.

51710550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5917 (or 5912 counting only the distinct ones).

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

The square root of 51710550 is about 7191.0047976621. The cubic root of 51710550 is about 372.5572784013.

The spelling of 51710550 in words is "fifty-one million, seven hundred ten thousand, five hundred fifty".