51103436 has 12 divisors (see below), whose sum is σ = 91511112. Its totient is φ = 24957408.

The previous prime is 51103427. The next prime is 51103439. The reversal of 51103436 is 63430115.

It is a happy number.

51103436 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 2×51103436² = 5223122342012192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51103439) 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, 148385 + ... + 148728.

It is an arithmetic number, because the mean of its divisors is an integer number (7625926).

Almost surely, 2^51103436 is an apocalyptic number.

It is an amenable number.

51103436 is a deficient number, since it is larger than the sum of its proper divisors (40407676).

51103436 is a wasteful number, since it uses less digits than its factorization.

51103436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297160 (or 297158 counting only the distinct ones).

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

The square root of 51103436 is about 7148.6667288383. Note that the first 3 decimals coincide. The cubic root of 51103436 is about 371.0935168677.

The spelling of 51103436 in words is "fifty-one million, one hundred three thousand, four hundred thirty-six".