54149737 has 2 divisors, whose sum is σ = 54149738. Its totient is φ = 54149736.

The previous prime is 54149731. The next prime is 54149773. The reversal of 54149737 is 73794145.

Together with next prime (54149773) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51108201 + 3041536 = 7149^2 + 1744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54149737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54149737.

It is not a weakly prime, because it can be changed into another prime (54149731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27074868 + 27074869.

It is an arithmetic number, because the mean of its divisors is an integer number (27074869).

Almost surely, 2^54149737 is an apocalyptic number.

It is an amenable number.

54149737 is a deficient number, since it is larger than the sum of its proper divisors (1).

54149737 is an equidigital number, since it uses as much as digits as its factorization.

54149737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 54149737 is about 7358.6504876913. The cubic root of 54149737 is about 378.3253569878.

It can be divided in two parts, 5414 and 9737, that added together give a palindrome (15151).

The spelling of 54149737 in words is "fifty-four million, one hundred forty-nine thousand, seven hundred thirty-seven".