51336208 has 40 divisors (see below), whose sum is σ = 124009920. Its totient is φ = 20000640.

The previous prime is 51336199. The next prime is 51336211. The reversal of 51336208 is 80263315.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19603 + ... + 22066.

It is an arithmetic number, because the mean of its divisors is an integer number (3100248).

Almost surely, 2^51336208 is an apocalyptic number.

It is an amenable number.

51336208 is an abundant number, since it is smaller than the sum of its proper divisors (72673712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51336208 is a wasteful number, since it uses less digits than its factorization.

51336208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41695 (or 41689 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 51336208 is about 7164.9290296555. The cubic root of 51336208 is about 371.6560971699.

The spelling of 51336208 in words is "fifty-one million, three hundred thirty-six thousand, two hundred eight".