51575736 has 16 divisors (see below), whose sum is σ = 128939400. Its totient is φ = 17191904.

The previous prime is 51575701. The next prime is 51575737. The reversal of 51575736 is 63757515.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51575694 and 51575703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51575737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074471 + ... + 1074518.

Almost surely, 2^51575736 is an apocalyptic number.

It is an amenable number.

51575736 is an abundant number, since it is smaller than the sum of its proper divisors (77363664).

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

51575736 is a wasteful number, since it uses less digits than its factorization.

51575736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148998 (or 2148994 counting only the distinct ones).

The product of its digits is 110250, while the sum is 39.

The square root of 51575736 is about 7181.6248857762. The cubic root of 51575736 is about 372.2332333203.

The spelling of 51575736 in words is "fifty-one million, five hundred seventy-five thousand, seven hundred thirty-six".