51671130 has 64 divisors (see below), whose sum is σ = 142560000. Its totient is φ = 11741184.

The previous prime is 51671119. The next prime is 51671149. The reversal of 51671130 is 3117615.

It is a self number, because there is not a number n which added to its sum of digits gives 51671130.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 40746 + ... + 41994.

It is an arithmetic number, because the mean of its divisors is an integer number (2227500).

Almost surely, 2^51671130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51671130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71280000).

51671130 is an abundant number, since it is smaller than the sum of its proper divisors (90888870).

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

51671130 is a wasteful number, since it uses less digits than its factorization.

51671130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 51671130 is about 7188.2633507684. The cubic root of 51671130 is about 372.4625850143.

Adding to 51671130 its reverse (3117615), we get a palindrome (54788745).

The spelling of 51671130 in words is "fifty-one million, six hundred seventy-one thousand, one hundred thirty".