55901227 has 2 divisors, whose sum is σ = 55901228. Its totient is φ = 55901226.

The previous prime is 55901221. The next prime is 55901233. The reversal of 55901227 is 72210955.

It is a balanced prime because it is at equal distance from previous prime (55901221) and next prime (55901233).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55901227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55901221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27950613 + 27950614.

It is an arithmetic number, because the mean of its divisors is an integer number (27950614).

Almost surely, 2^55901227 is an apocalyptic number.

55901227 is a deficient number, since it is larger than the sum of its proper divisors (1).

55901227 is an equidigital number, since it uses as much as digits as its factorization.

55901227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 55901227 is about 7476.7123122399. The cubic root of 55901227 is about 382.3611685205.

The spelling of 55901227 in words is "fifty-five million, nine hundred one thousand, two hundred twenty-seven".