51348149 has 8 divisors (see below), whose sum is σ = 53536032. Its totient is φ = 49205520.

The previous prime is 51348139. The next prime is 51348151. The reversal of 51348149 is 94184315.

51348149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51348149 - 2⁴ = 51348133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51348139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8987 + ... + 13544.

It is an arithmetic number, because the mean of its divisors is an integer number (6692004).

Almost surely, 2^51348149 is an apocalyptic number.

It is an amenable number.

51348149 is a deficient number, since it is larger than the sum of its proper divisors (2187883).

51348149 is a wasteful number, since it uses less digits than its factorization.

51348149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22627.

The product of its digits is 17280, while the sum is 35.

The square root of 51348149 is about 7165.7622762690. The cubic root of 51348149 is about 371.6849111499.

The spelling of 51348149 in words is "fifty-one million, three hundred forty-eight thousand, one hundred forty-nine".