54718161 has 4 divisors (see below), whose sum is σ = 72957552. Its totient is φ = 36478772.

The previous prime is 54718141. The next prime is 54718171. The reversal of 54718161 is 16181745.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54718161 - 2⁷ = 54718033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54718141) 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, 9119691 + ... + 9119696.

It is an arithmetic number, because the mean of its divisors is an integer number (18239388).

Almost surely, 2^54718161 is an apocalyptic number.

It is an amenable number.

54718161 is a deficient number, since it is larger than the sum of its proper divisors (18239391).

54718161 is a wasteful number, since it uses less digits than its factorization.

54718161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18239390.

The product of its digits is 6720, while the sum is 33.

The square root of 54718161 is about 7397.1725003544. The cubic root of 54718161 is about 379.6445452634.

The spelling of 54718161 in words is "fifty-four million, seven hundred eighteen thousand, one hundred sixty-one".