51931348 has 24 divisors (see below), whose sum is σ = 104340992. Its totient is φ = 22153824.

The previous prime is 51931343. The next prime is 51931391. The reversal of 51931348 is 84313915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51931343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086 + ... + 10402.

Almost surely, 2^51931348 is an apocalyptic number.

It is an amenable number.

51931348 is an abundant number, since it is smaller than the sum of its proper divisors (52409644).

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

51931348 is a wasteful number, since it uses less digits than its factorization.

51931348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8551 (or 8549 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 51931348 is about 7206.3408190288. The cubic root of 51931348 is about 373.0867841394.

The spelling of 51931348 in words is "fifty-one million, nine hundred thirty-one thousand, three hundred forty-eight".