51196446 has 48 divisors (see below), whose sum is σ = 128869728. Its totient is φ = 14385600.

The previous prime is 51196441. The next prime is 51196487. The reversal of 51196446 is 64469115.

51196446 is a `hidden beast` number, since 5 + 1 + 1 + 9 + 644 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51196446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51196441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4356 + ... + 11016.

It is an arithmetic number, because the mean of its divisors is an integer number (2684786).

Almost surely, 2^51196446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51196446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64434864).

51196446 is an abundant number, since it is smaller than the sum of its proper divisors (77673282).

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

51196446 is a wasteful number, since it uses less digits than its factorization.

51196446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737 (or 6734 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 51196446 is about 7155.1691803898. The cubic root of 51196446 is about 371.3185147159.

The spelling of 51196446 in words is "fifty-one million, one hundred ninety-six thousand, four hundred forty-six".