51536396 has 6 divisors (see below), whose sum is σ = 90188700. Its totient is φ = 25768196.

The previous prime is 51536383. The next prime is 51536413. The reversal of 51536396 is 69363515.

It is a super-2 number, since 2×51536396² = 5312000225337632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6442046 + ... + 6442053.

It is an arithmetic number, because the mean of its divisors is an integer number (15031450).

Almost surely, 2^51536396 is an apocalyptic number.

It is an amenable number.

51536396 is a deficient number, since it is larger than the sum of its proper divisors (38652304).

51536396 is a wasteful number, since it uses less digits than its factorization.

51536396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12884103 (or 12884101 counting only the distinct ones).

The product of its digits is 72900, while the sum is 38.

The square root of 51536396 is about 7178.8854288114. The cubic root of 51536396 is about 372.1385674863.

The spelling of 51536396 in words is "fifty-one million, five hundred thirty-six thousand, three hundred ninety-six".