51549884 has 12 divisors (see below), whose sum is σ = 90611304. Its totient is φ = 25660944.

The previous prime is 51549881. The next prime is 51549913. The reversal of 51549884 is 48894515.

51549884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51549881) 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 3 ways as a sum of consecutive naturals, for example, 27479 + ... + 29294.

It is an arithmetic number, because the mean of its divisors is an integer number (7550942).

Almost surely, 2^51549884 is an apocalyptic number.

It is an amenable number.

51549884 is a deficient number, since it is larger than the sum of its proper divisors (39061420).

51549884 is a wasteful number, since it uses less digits than its factorization.

51549884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57004 (or 57002 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The square root of 51549884 is about 7179.8247889485. The cubic root of 51549884 is about 372.1710297690.

The spelling of 51549884 in words is "fifty-one million, five hundred forty-nine thousand, eight hundred eighty-four".