51266208 has 48 divisors (see below), whose sum is σ = 153800640. Its totient is φ = 14647296.

The previous prime is 51266207. The next prime is 51266209. The reversal of 51266208 is 80266215.

It is an interprime number because it is at equal distance from previous prime (51266207) and next prime (51266209).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (51266207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37473 + ... + 38816.

It is an arithmetic number, because the mean of its divisors is an integer number (3204180).

Almost surely, 2^51266208 is an apocalyptic number.

It is an amenable number.

51266208 is an abundant number, since it is smaller than the sum of its proper divisors (102534432).

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

51266208 is a wasteful number, since it uses less digits than its factorization.

51266208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76309 (or 76301 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 51266208 is about 7160.0424579747. The cubic root of 51266208 is about 371.4870952021.

The spelling of 51266208 in words is "fifty-one million, two hundred sixty-six thousand, two hundred eight".