51900227 has 8 divisors (see below), whose sum is σ = 53835840. Its totient is φ = 49974400.

The previous prime is 51900223. The next prime is 51900253. The reversal of 51900227 is 72200915.

51900227 is nontrivially palindromic in base 8.

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 51900227 - 2² = 51900223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51900196 and 51900205.

It is not an unprimeable number, because it can be changed into a prime (51900221) 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, 9398 + ... + 13860.

It is an arithmetic number, because the mean of its divisors is an integer number (6729480).

Almost surely, 2^51900227 is an apocalyptic number.

51900227 is a deficient number, since it is larger than the sum of its proper divisors (1935613).

51900227 is a wasteful number, since it uses less digits than its factorization.

51900227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 51900227 is about 7204.1812164881. The cubic root of 51900227 is about 373.0122424328.

The spelling of 51900227 in words is "fifty-one million, nine hundred thousand, two hundred twenty-seven".