51961044 has 36 divisors (see below), whose sum is σ = 128802464. Its totient is φ = 16300416.

The previous prime is 51961043. The next prime is 51961051. The reversal of 51961044 is 44016915.

It is a happy number.

51961044 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 (51961043) 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 11 ways as a sum of consecutive naturals, for example, 4024 + ... + 10959.

Almost surely, 2^51961044 is an apocalyptic number.

It is an amenable number.

51961044 is an abundant number, since it is smaller than the sum of its proper divisors (76841420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51961044 is a wasteful number, since it uses less digits than its factorization.

51961044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15024 (or 15005 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 51961044 is about 7208.4009322457. The cubic root of 51961044 is about 373.1578848935.

Adding to 51961044 its reverse (44016915), we get a palindrome (95977959).

The spelling of 51961044 in words is "fifty-one million, nine hundred sixty-one thousand, forty-four".