51616336 has 10 divisors (see below), whose sum is σ = 100006682. Its totient is φ = 25808160.

The previous prime is 51616321. The next prime is 51616339. The reversal of 51616336 is 63361615.

It can be written as a sum of positive squares in only one way, i.e., 41731600 + 9884736 = 6460^2 + 3144^2 .

It is a super-2 number, since 2×51616336² = 5328492284129792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51616298 and 51616307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51616339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612995 + ... + 1613026.

Almost surely, 2^51616336 is an apocalyptic number.

It is an amenable number.

51616336 is a deficient number, since it is larger than the sum of its proper divisors (48390346).

51616336 is a wasteful number, since it uses less digits than its factorization.

51616336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226029 (or 3226023 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 51616336 is about 7184.4509880714. The cubic root of 51616336 is about 372.3308806939.

The spelling of 51616336 in words is "fifty-one million, six hundred sixteen thousand, three hundred thirty-six".