54349187 has 4 divisors (see below), whose sum is σ = 57546216. Its totient is φ = 51152160.

The previous prime is 54349181. The next prime is 54349199. The reversal of 54349187 is 78194345.

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 54349187 - 2⁴ = 54349171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54349181) 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, 1598489 + ... + 1598522.

It is an arithmetic number, because the mean of its divisors is an integer number (14386554).

Almost surely, 2^54349187 is an apocalyptic number.

54349187 is a deficient number, since it is larger than the sum of its proper divisors (3197029).

54349187 is a wasteful number, since it uses less digits than its factorization.

54349187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197028.

The product of its digits is 120960, while the sum is 41.

The square root of 54349187 is about 7372.1901087804. The cubic root of 54349187 is about 378.7892837584.

The spelling of 54349187 in words is "fifty-four million, three hundred forty-nine thousand, one hundred eighty-seven".