54291187 has 2 divisors, whose sum is σ = 54291188. Its totient is φ = 54291186.

The previous prime is 54291163. The next prime is 54291203. The reversal of 54291187 is 78119245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54291187 - 2⁷ = 54291059 is a prime.

It is not a weakly prime, because it can be changed into another prime (54291287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27145593 + 27145594.

It is an arithmetic number, because the mean of its divisors is an integer number (27145594).

Almost surely, 2^54291187 is an apocalyptic number.

54291187 is a deficient number, since it is larger than the sum of its proper divisors (1).

54291187 is an equidigital number, since it uses as much as digits as its factorization.

54291187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 54291187 is about 7368.2553565956. The cubic root of 54291187 is about 378.6544911976.

The spelling of 54291187 in words is "fifty-four million, two hundred ninety-one thousand, one hundred eighty-seven".