54749161 has 2 divisors, whose sum is σ = 54749162. Its totient is φ = 54749160.

The previous prime is 54749153. The next prime is 54749213. The reversal of 54749161 is 16194745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38192400 + 16556761 = 6180^2 + 4069^2 .

It is a cyclic number.

It is not a de Polignac number, because 54749161 - 2³ = 54749153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54749161.

It is not a weakly prime, because it can be changed into another prime (54749111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27374580 + 27374581.

It is an arithmetic number, because the mean of its divisors is an integer number (27374581).

Almost surely, 2^54749161 is an apocalyptic number.

It is an amenable number.

54749161 is a deficient number, since it is larger than the sum of its proper divisors (1).

54749161 is an equidigital number, since it uses as much as digits as its factorization.

54749161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 54749161 is about 7399.2675988911. The cubic root of 54749161 is about 379.7162262730.

The spelling of 54749161 in words is "fifty-four million, seven hundred forty-nine thousand, one hundred sixty-one".