51855303 has 8 divisors (see below), whose sum is σ = 69787008. Its totient is φ = 34246904.

The previous prime is 51855299. The next prime is 51855311. The reversal of 51855303 is 30355815.

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 51855303 - 2² = 51855299 is a prime.

It is a super-3 number, since 3×51855303³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51855703) 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, 80451 + ... + 81092.

It is an arithmetic number, because the mean of its divisors is an integer number (8723376).

Almost surely, 2^51855303 is an apocalyptic number.

51855303 is a deficient number, since it is larger than the sum of its proper divisors (17931705).

51855303 is a wasteful number, since it uses less digits than its factorization.

51855303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161653.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 51855303 is about 7201.0626299179. The cubic root of 51855303 is about 372.9045869035.

The spelling of 51855303 in words is "fifty-one million, eight hundred fifty-five thousand, three hundred three".