51494382 has 12 divisors (see below), whose sum is σ = 111571200. Its totient is φ = 17164788.

The previous prime is 51494381. The next prime is 51494393. The reversal of 51494382 is 28349415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51494381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1430382 + ... + 1430417.

It is an arithmetic number, because the mean of its divisors is an integer number (9297600).

Almost surely, 2^51494382 is an apocalyptic number.

51494382 is an abundant number, since it is smaller than the sum of its proper divisors (60076818).

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

51494382 is a wasteful number, since it uses less digits than its factorization.

51494382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860807 (or 2860804 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 51494382 is about 7175.9586119208. The cubic root of 51494382 is about 372.0374138575.

The spelling of 51494382 in words is "fifty-one million, four hundred ninety-four thousand, three hundred eighty-two".