51463149 has 8 divisors (see below), whose sum is σ = 68668992. Its totient is φ = 34283040.

The previous prime is 51463127. The next prime is 51463157. The reversal of 51463149 is 94136415.

51463149 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 not a de Polignac number, because 51463149 - 2⁷ = 51463021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51463109) 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, 1144 + ... + 10209.

It is an arithmetic number, because the mean of its divisors is an integer number (8583624).

Almost surely, 2^51463149 is an apocalyptic number.

It is an amenable number.

51463149 is a deficient number, since it is larger than the sum of its proper divisors (17205843).

51463149 is a wasteful number, since it uses less digits than its factorization.

51463149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12867.

The product of its digits is 12960, while the sum is 33.

The square root of 51463149 is about 7173.7820569069. The cubic root of 51463149 is about 371.9621810900.

The spelling of 51463149 in words is "fifty-one million, four hundred sixty-three thousand, one hundred forty-nine".