51943436 has 12 divisors (see below), whose sum is σ = 91032480. Its totient is φ = 25934160.

The previous prime is 51943429. The next prime is 51943447. The reversal of 51943436 is 63434915.

It is a happy number.

It is a super-3 number, since 3×51943436³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51943396 and 51943405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6155 + ... + 11906.

It is an arithmetic number, because the mean of its divisors is an integer number (7586040).

Almost surely, 2^51943436 is an apocalyptic number.

It is an amenable number.

51943436 is a deficient number, since it is larger than the sum of its proper divisors (39089044).

51943436 is a wasteful number, since it uses less digits than its factorization.

51943436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18784 (or 18782 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 51943436 is about 7207.1794760503. The cubic root of 51943436 is about 373.1157295539.

The spelling of 51943436 in words is "fifty-one million, nine hundred forty-three thousand, four hundred thirty-six".