51449926 has 24 divisors (see below), whose sum is σ = 85197672. Its totient is φ = 23284800.

The previous prime is 51449911. The next prime is 51449933. The reversal of 51449926 is 62994415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104541 + ... + 105031.

It is an arithmetic number, because the mean of its divisors is an integer number (3549903).

Almost surely, 2^51449926 is an apocalyptic number.

51449926 is a deficient number, since it is larger than the sum of its proper divisors (33747746).

51449926 is a wasteful number, since it uses less digits than its factorization.

51449926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 937 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 51449926 is about 7172.8603778409. The cubic root of 51449926 is about 371.9303208992.

The spelling of 51449926 in words is "fifty-one million, four hundred forty-nine thousand, nine hundred twenty-six".