51449074 has 16 divisors (see below), whose sum is σ = 84038400. Its totient is φ = 23529744.

The previous prime is 51449059. The next prime is 51449077. The reversal of 51449074 is 47094415.

It is not an unprimeable number, because it can be changed into a prime (51449077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22242 + ... + 24445.

It is an arithmetic number, because the mean of its divisors is an integer number (5252400).

Almost surely, 2^51449074 is an apocalyptic number.

51449074 is a deficient number, since it is larger than the sum of its proper divisors (32589326).

51449074 is a wasteful number, since it uses less digits than its factorization.

51449074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46737.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 51449074 is about 7172.8009870622. The cubic root of 51449074 is about 371.9282678585.

The spelling of 51449074 in words is "fifty-one million, four hundred forty-nine thousand, seventy-four".