54788161 has 4 divisors (see below), whose sum is σ = 58011012. Its totient is φ = 51565312.

The previous prime is 54788147. The next prime is 54788213. The reversal of 54788161 is 16188745.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38987536 + 15800625 = 6244^2 + 3975^2 .

It is a cyclic number.

It is not a de Polignac number, because 54788161 - 2¹⁷ = 54657089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54788131) 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, 1611400 + ... + 1611433.

It is an arithmetic number, because the mean of its divisors is an integer number (14502753).

Almost surely, 2^54788161 is an apocalyptic number.

It is an amenable number.

54788161 is a deficient number, since it is larger than the sum of its proper divisors (3222851).

54788161 is a wasteful number, since it uses less digits than its factorization.

54788161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222850.

The product of its digits is 53760, while the sum is 40.

The square root of 54788161 is about 7401.9025257024. The cubic root of 54788161 is about 379.8063671849.

The spelling of 54788161 in words is "fifty-four million, seven hundred eighty-eight thousand, one hundred sixty-one".