51461712 has 60 divisors (see below), whose sum is σ = 147388384. Its totient is φ = 16752960.

The previous prime is 51461699. The next prime is 51461749. The reversal of 51461712 is 21716415.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2037 + ... + 10347.

Almost surely, 2^51461712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51461712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73694192).

51461712 is an abundant number, since it is smaller than the sum of its proper divisors (95926672).

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

51461712 is a wasteful number, since it uses less digits than its factorization.

51461712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368 (or 8359 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 51461712 is about 7173.6818998336. The cubic root of 51461712 is about 371.9587189710.

It can be divided in two parts, 514 and 61712, that added together give a palindrome (62226).

The spelling of 51461712 in words is "fifty-one million, four hundred sixty-one thousand, seven hundred twelve".