54012187 has 2 divisors, whose sum is σ = 54012188. Its totient is φ = 54012186.

The previous prime is 54012173. The next prime is 54012229. The reversal of 54012187 is 78121045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54012187 - 2⁷ = 54012059 is a prime.

It is not a weakly prime, because it can be changed into another prime (54012107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27006093 + 27006094.

It is an arithmetic number, because the mean of its divisors is an integer number (27006094).

Almost surely, 2^54012187 is an apocalyptic number.

54012187 is a deficient number, since it is larger than the sum of its proper divisors (1).

54012187 is an equidigital number, since it uses as much as digits as its factorization.

54012187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 54012187 is about 7349.2984018884. The cubic root of 54012187 is about 378.0047473812.

The spelling of 54012187 in words is "fifty-four million, twelve thousand, one hundred eighty-seven".