51886908 has 36 divisors (see below), whose sum is σ = 131899768. Its totient is φ = 17197920.

The previous prime is 51886903. The next prime is 51886921. The reversal of 51886908 is 80968815.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51886903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2535 + ... + 10497.

Almost surely, 2^51886908 is an apocalyptic number.

It is an amenable number.

51886908 is an abundant number, since it is smaller than the sum of its proper divisors (80012860).

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

51886908 is a wasteful number, since it uses less digits than its factorization.

51886908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154 (or 8149 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 51886908 is about 7203.2567634369. The cubic root of 51886908 is about 372.9803313642.

The spelling of 51886908 in words is "fifty-one million, eight hundred eighty-six thousand, nine hundred eight".