54366187 has 4 divisors (see below), whose sum is σ = 57564216. Its totient is φ = 51168160.

The previous prime is 54366161. The next prime is 54366197. The reversal of 54366187 is 78166345.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54366187 - 2¹⁹ = 53841899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54366127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598989 + ... + 1599022.

It is an arithmetic number, because the mean of its divisors is an integer number (14391054).

Almost surely, 2^54366187 is an apocalyptic number.

54366187 is a deficient number, since it is larger than the sum of its proper divisors (3198029).

54366187 is a wasteful number, since it uses less digits than its factorization.

54366187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198028.

The product of its digits is 120960, while the sum is 40.

The square root of 54366187 is about 7373.3430002950. The cubic root of 54366187 is about 378.8287737484.

The spelling of 54366187 in words is "fifty-four million, three hundred sixty-six thousand, one hundred eighty-seven".