54486147 has 4 divisors (see below), whose sum is σ = 72648200. Its totient is φ = 36324096.

The previous prime is 54486137. The next prime is 54486151. The reversal of 54486147 is 74168445.

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

It is a de Polignac number, because none of the positive numbers 2^k-54486147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54486137) 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, 9081022 + ... + 9081027.

It is an arithmetic number, because the mean of its divisors is an integer number (18162050).

Almost surely, 2^54486147 is an apocalyptic number.

54486147 is a deficient number, since it is larger than the sum of its proper divisors (18162053).

54486147 is a wasteful number, since it uses less digits than its factorization.

54486147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18162052.

The product of its digits is 107520, while the sum is 39.

The square root of 54486147 is about 7381.4732269378. The cubic root of 54486147 is about 379.1071999697.

The spelling of 54486147 in words is "fifty-four million, four hundred eighty-six thousand, one hundred forty-seven".