51232736 has 12 divisors (see below), whose sum is σ = 100864512. Its totient is φ = 25616352.

The previous prime is 51232733. The next prime is 51232751. The reversal of 51232736 is 63723215.

It is a junction number, because it is equal to n+sod(n) for n = 51232699 and 51232708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51232733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800480 + ... + 800543.

It is an arithmetic number, because the mean of its divisors is an integer number (8405376).

Almost surely, 2^51232736 is an apocalyptic number.

It is an amenable number.

51232736 is a deficient number, since it is larger than the sum of its proper divisors (49631776).

51232736 is a wasteful number, since it uses less digits than its factorization.

51232736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601033 (or 1601025 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 51232736 is about 7157.7046600150. The cubic root of 51232736 is about 371.4062289181.

The spelling of 51232736 in words is "fifty-one million, two hundred thirty-two thousand, seven hundred thirty-six".