47155027 has 2 divisors, whose sum is σ = 47155028. Its totient is φ = 47155026.

The previous prime is 47155019. The next prime is 47155049. The reversal of 47155027 is 72055174.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47155027 - 2³ = 47155019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47155027.

It is not a weakly prime, because it can be changed into another prime (47155067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23577513 + 23577514.

It is an arithmetic number, because the mean of its divisors is an integer number (23577514).

Almost surely, 2^47155027 is an apocalyptic number.

47155027 is a deficient number, since it is larger than the sum of its proper divisors (1).

47155027 is an equidigital number, since it uses as much as digits as its factorization.

47155027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 47155027 is about 6866.9517982872. The cubic root of 47155027 is about 361.2789565834.

The spelling of 47155027 in words is "forty-seven million, one hundred fifty-five thousand, twenty-seven".