51903376 has 80 divisors (see below), whose sum is σ = 119992320. Its totient is φ = 21288960.

The previous prime is 51903373. The next prime is 51903389. The reversal of 51903376 is 67330915.

It is not an unprimeable number, because it can be changed into a prime (51903373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408625 + ... + 408751.

It is an arithmetic number, because the mean of its divisors is an integer number (1499904).

Almost surely, 2^51903376 is an apocalyptic number.

51903376 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51903376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59996160).

51903376 is an abundant number, since it is smaller than the sum of its proper divisors (68088944).

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

51903376 is a wasteful number, since it uses less digits than its factorization.

51903376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 51903376 is about 7204.3997668092. The cubic root of 51903376 is about 373.0197863419.

The spelling of 51903376 in words is "fifty-one million, nine hundred three thousand, three hundred seventy-six".