51676149 has 16 divisors (see below), whose sum is σ = 78848000. Its totient is φ = 29490480.

The previous prime is 51676139. The next prime is 51676151. The reversal of 51676149 is 94167615.

51676149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51676149 - 2⁷ = 51676021 is a prime.

Its product of digits (45360) is a multiple of the sum of its prime divisors (3240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51676129) 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 15 ways as a sum of consecutive naturals, for example, 24852 + ... + 26850.

It is an arithmetic number, because the mean of its divisors is an integer number (4928000).

Almost surely, 2^51676149 is an apocalyptic number.

It is an amenable number.

51676149 is a deficient number, since it is larger than the sum of its proper divisors (27171851).

51676149 is a wasteful number, since it uses less digits than its factorization.

51676149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240.

The product of its digits is 45360, while the sum is 39.

The square root of 51676149 is about 7188.6124530399. The cubic root of 51676149 is about 372.4746441609.

The spelling of 51676149 in words is "fifty-one million, six hundred seventy-six thousand, one hundred forty-nine".