51031352 has 8 divisors (see below), whose sum is σ = 95683800. Its totient is φ = 25515672.

The previous prime is 51031333. The next prime is 51031369. The reversal of 51031352 is 25313015.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3189452 + ... + 3189467.

It is an arithmetic number, because the mean of its divisors is an integer number (11960475).

Almost surely, 2^51031352 is an apocalyptic number.

It is an amenable number.

51031352 is a deficient number, since it is larger than the sum of its proper divisors (44652448).

51031352 is a wasteful number, since it uses less digits than its factorization.

51031352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378925 (or 6378921 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 51031352 is about 7143.6231703527. The cubic root of 51031352 is about 370.9189526609.

Adding to 51031352 its reverse (25313015), we get a palindrome (76344367).

The spelling of 51031352 in words is "fifty-one million, thirty-one thousand, three hundred fifty-two".