51066588 has 12 divisors (see below), whose sum is σ = 119155400. Its totient is φ = 17022192.

The previous prime is 51066583. The next prime is 51066599. The reversal of 51066588 is 88566015.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51066583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127763 + ... + 2127786.

Almost surely, 2^51066588 is an apocalyptic number.

It is an amenable number.

51066588 is an abundant number, since it is smaller than the sum of its proper divisors (68088812).

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

51066588 is a wasteful number, since it uses less digits than its factorization.

51066588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255556 (or 4255554 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 51066588 is about 7146.0890002854. The cubic root of 51066588 is about 371.0043034159.

The spelling of 51066588 in words is "fifty-one million, sixty-six thousand, five hundred eighty-eight".