51147436 has 12 divisors (see below), whose sum is σ = 89663112. Its totient is φ = 25529408.

The previous prime is 51147403. The next prime is 51147457. The reversal of 51147436 is 63474115.

It is a junction number, because it is equal to n+sod(n) for n = 51147398 and 51147407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8410 + ... + 13153.

It is an arithmetic number, because the mean of its divisors is an integer number (7471926).

Almost surely, 2^51147436 is an apocalyptic number.

It is an amenable number.

51147436 is a deficient number, since it is larger than the sum of its proper divisors (38515676).

51147436 is a wasteful number, since it uses less digits than its factorization.

51147436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22160 (or 22158 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 51147436 is about 7151.7435636354. The cubic root of 51147436 is about 371.1999900137.

The spelling of 51147436 in words is "fifty-one million, one hundred forty-seven thousand, four hundred thirty-six".