51903119 has 8 divisors (see below), whose sum is σ = 53433168. Its totient is φ = 50379840.

The previous prime is 51903097. The next prime is 51903121. The reversal of 51903119 is 91130915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51903119 - 2²⁰ = 50854543 is a prime.

It is a super-2 number, since 2×51903119² = 5387867523856322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51903091 and 51903100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51903139) 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 in 7 ways as a sum of consecutive naturals, for example, 16739 + ... + 19595.

It is an arithmetic number, because the mean of its divisors is an integer number (6679146).

Almost surely, 2^51903119 is an apocalyptic number.

51903119 is a deficient number, since it is larger than the sum of its proper divisors (1530049).

51903119 is a wasteful number, since it uses less digits than its factorization.

51903119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 51903119 is about 7204.3819304643. The cubic root of 51903119 is about 373.0191706707.

The spelling of 51903119 in words is "fifty-one million, nine hundred three thousand, one hundred nineteen".