51903107 has 8 divisors (see below), whose sum is σ = 53473200. Its totient is φ = 50349600.

The previous prime is 51903097. The next prime is 51903121. The reversal of 51903107 is 70130915.

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 51903107 - 2²⁴ = 35125891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51903197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2357 + ... + 10457.

It is an arithmetic number, because the mean of its divisors is an integer number (6684150).

Almost surely, 2^51903107 is an apocalyptic number.

51903107 is a deficient number, since it is larger than the sum of its proper divisors (1570093).

51903107 is a wasteful number, since it uses less digits than its factorization.

51903107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 51903107 is about 7204.3810976377. The cubic root of 51903107 is about 373.0191419234.

The spelling of 51903107 in words is "fifty-one million, nine hundred three thousand, one hundred seven".