51055444 has 12 divisors (see below), whose sum is σ = 97469568. Its totient is φ = 23207000.

The previous prime is 51055441. The next prime is 51055493. The reversal of 51055444 is 44455015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51055441) 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 3 ways as a sum of consecutive naturals, for example, 580132 + ... + 580219.

It is an arithmetic number, because the mean of its divisors is an integer number (8122464).

Almost surely, 2^51055444 is an apocalyptic number.

It is an amenable number.

51055444 is a deficient number, since it is larger than the sum of its proper divisors (46414124).

51055444 is a wasteful number, since it uses less digits than its factorization.

51055444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160366 (or 1160364 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 51055444 is about 7145.3092305372. The cubic root of 51055444 is about 370.9773139961.

The spelling of 51055444 in words is "fifty-one million, fifty-five thousand, four hundred forty-four".