51623227 has 2 divisors, whose sum is σ = 51623228. Its totient is φ = 51623226.

The previous prime is 51623197. The next prime is 51623279. The reversal of 51623227 is 72232615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51623227 - 2²³ = 43234619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51623195 and 51623204.

It is not a weakly prime, because it can be changed into another prime (51623287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25811613 + 25811614.

It is an arithmetic number, because the mean of its divisors is an integer number (25811614).

Almost surely, 2^51623227 is an apocalyptic number.

51623227 is a deficient number, since it is larger than the sum of its proper divisors (1).

51623227 is an equidigital number, since it uses as much as digits as its factorization.

51623227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 51623227 is about 7184.9305494208. The cubic root of 51623227 is about 372.3474492077.

The spelling of 51623227 in words is "fifty-one million, six hundred twenty-three thousand, two hundred twenty-seven".