51193446 has 36 divisors (see below), whose sum is σ = 107881452. Its totient is φ = 16194024.

The previous prime is 51193433. The next prime is 51193489. The reversal of 51193446 is 64439115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 403035 + ... + 403161.

It is an arithmetic number, because the mean of its divisors is an integer number (2996707).

Almost surely, 2^51193446 is an apocalyptic number.

51193446 is an abundant number, since it is smaller than the sum of its proper divisors (56688006).

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

51193446 is a wasteful number, since it uses less digits than its factorization.

51193446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 155 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 51193446 is about 7154.9595386697. The cubic root of 51193446 is about 371.3112617560.

The spelling of 51193446 in words is "fifty-one million, one hundred ninety-three thousand, four hundred forty-six".