51943376 has 10 divisors (see below), whose sum is σ = 100640322. Its totient is φ = 25971680.

The previous prime is 51943349. The next prime is 51943393. The reversal of 51943376 is 67334915.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37503376 + 14440000 = 6124^2 + 3800^2 .

It is a super-2 number, since 2×51943376² = 5396228620554752, which contains 22 as substring.

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, 1623215 + ... + 1623246.

Almost surely, 2^51943376 is an apocalyptic number.

It is an amenable number.

51943376 is a deficient number, since it is larger than the sum of its proper divisors (48696946).

51943376 is a wasteful number, since it uses less digits than its factorization.

51943376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246469 (or 3246463 counting only the distinct ones).

The product of its digits is 68040, while the sum is 38.

The square root of 51943376 is about 7207.1753135330. The cubic root of 51943376 is about 373.1155858915.

The spelling of 51943376 in words is "fifty-one million, nine hundred forty-three thousand, three hundred seventy-six".