51246208 has 96 divisors (see below), whose sum is σ = 116475840. Its totient is φ = 22404096.

The previous prime is 51246199. The next prime is 51246227. The reversal of 51246208 is 80264215.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 497485 + ... + 497587.

It is an arithmetic number, because the mean of its divisors is an integer number (1213290).

Almost surely, 2^51246208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51246208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58237920).

51246208 is an abundant number, since it is smaller than the sum of its proper divisors (65229632).

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

51246208 is a wasteful number, since it uses less digits than its factorization.

51246208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 51246208 is about 7158.6456819709. The cubic root of 51246208 is about 371.4387806718.

It can be divided in two parts, 512 and 46208, that multiplied together give a square (23658496 = 4864²).

The spelling of 51246208 in words is "fifty-one million, two hundred forty-six thousand, two hundred eight".