51801712 has 10 divisors (see below), whose sum is σ = 100365848. Its totient is φ = 25900848.

The previous prime is 51801709. The next prime is 51801719. The reversal of 51801712 is 21710815.

51801712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51801712² = 5366834732261888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51801719) 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 as a sum of consecutive naturals, namely, 1618788 + ... + 1618819.

Almost surely, 2^51801712 is an apocalyptic number.

It is an amenable number.

51801712 is a deficient number, since it is larger than the sum of its proper divisors (48564136).

51801712 is a wasteful number, since it uses less digits than its factorization.

51801712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237615 (or 3237609 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 51801712 is about 7197.3406199790. The cubic root of 51801712 is about 372.7760804832.

The spelling of 51801712 in words is "fifty-one million, eight hundred one thousand, seven hundred twelve".