51010566 has 16 divisors (see below), whose sum is σ = 102825984. Its totient is φ = 16869384.

The previous prime is 51010559. The next prime is 51010567. The reversal of 51010566 is 66501015.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51010567) 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, 32710 + ... + 34233.

It is an arithmetic number, because the mean of its divisors is an integer number (6426624).

Almost surely, 2^51010566 is an apocalyptic number.

51010566 is an abundant number, since it is smaller than the sum of its proper divisors (51815418).

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

51010566 is a wasteful number, since it uses less digits than its factorization.

51010566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67075.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 51010566 is about 7142.1681581996. The cubic root of 51010566 is about 370.8685851379.

The spelling of 51010566 in words is "fifty-one million, ten thousand, five hundred sixty-six".