51903352 has 8 divisors (see below), whose sum is σ = 97318800. Its totient is φ = 25951672.

The previous prime is 51903337. The next prime is 51903353. The reversal of 51903352 is 25330915.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51903352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51903353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3243952 + ... + 3243967.

It is an arithmetic number, because the mean of its divisors is an integer number (12164850).

Almost surely, 2^51903352 is an apocalyptic number.

It is an amenable number.

51903352 is a deficient number, since it is larger than the sum of its proper divisors (45415448).

51903352 is a wasteful number, since it uses less digits than its factorization.

51903352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6487925 (or 6487921 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 51903352 is about 7204.3981011602. The cubic root of 51903352 is about 373.0197288474.

The spelling of 51903352 in words is "fifty-one million, nine hundred three thousand, three hundred fifty-two".