51013436 has 12 divisors (see below), whose sum is σ = 92352120. Its totient is φ = 24627120.

The previous prime is 51013409. The next prime is 51013439. The reversal of 51013436 is 63431015.

It is a happy number.

51013436 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 (51013439) 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, 219770 + ... + 220001.

It is an arithmetic number, because the mean of its divisors is an integer number (7696010).

Almost surely, 2^51013436 is an apocalyptic number.

It is an amenable number.

51013436 is a deficient number, since it is larger than the sum of its proper divisors (41338684).

51013436 is a wasteful number, since it uses less digits than its factorization.

51013436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439804 (or 439802 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 51013436 is about 7142.3690747538. The cubic root of 51013436 is about 370.8755403824.

The spelling of 51013436 in words is "fifty-one million, thirteen thousand, four hundred thirty-six".