51196180 has 96 divisors (see below), whose sum is σ = 133056000. Its totient is φ = 16482816.

The previous prime is 51196177. The next prime is 51196217. The reversal of 51196180 is 8169115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116401 + ... + 116839.

It is an arithmetic number, because the mean of its divisors is an integer number (1386000).

Almost surely, 2^51196180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51196180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66528000).

51196180 is an abundant number, since it is smaller than the sum of its proper divisors (81859820).

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

51196180 is a wasteful number, since it uses less digits than its factorization.

51196180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 51196180 is about 7155.1505924054. The cubic root of 51196180 is about 371.3178716316.

The spelling of 51196180 in words is "fifty-one million, one hundred ninety-six thousand, one hundred eighty".