51253336 has 24 divisors (see below), whose sum is σ = 101429820. Its totient is φ = 24276528.

The previous prime is 51253327. The next prime is 51253339. The reversal of 51253336 is 63335215.

It is a super-2 number, since 2×51253336² = 5253808902257792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51253339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5986 + ... + 11761.

Almost surely, 2^51253336 is an apocalyptic number.

It is an amenable number.

51253336 is a deficient number, since it is larger than the sum of its proper divisors (50176484).

51253336 is a wasteful number, since it uses less digits than its factorization.

51253336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17791 (or 17768 counting only the distinct ones).

The product of its digits is 8100, while the sum is 28.

The square root of 51253336 is about 7159.1435241934. The cubic root of 51253336 is about 371.4560014118.

The spelling of 51253336 in words is "fifty-one million, two hundred fifty-three thousand, three hundred thirty-six".