51663496 has 16 divisors (see below), whose sum is σ = 96949440. Its totient is φ = 25810320.

The previous prime is 51663463. The next prime is 51663533. The reversal of 51663496 is 69436615.

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, 12885 + ... + 16411.

It is an arithmetic number, because the mean of its divisors is an integer number (6059340).

Almost surely, 2^51663496 is an apocalyptic number.

It is an amenable number.

51663496 is a deficient number, since it is larger than the sum of its proper divisors (45285944).

51663496 is a wasteful number, since it uses less digits than its factorization.

51663496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364 (or 5360 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 51663496 is about 7187.7323266800. The cubic root of 51663496 is about 372.4442413124. Note that the first 3 decimals are identical.

The spelling of 51663496 in words is "fifty-one million, six hundred sixty-three thousand, four hundred ninety-six".