51056706 has 8 divisors (see below), whose sum is σ = 102113424. Its totient is φ = 17018900.

The previous prime is 51056701. The next prime is 51056723. The reversal of 51056706 is 60765015.

It is a sphenic number, since it is the product of 3 distinct primes.

51056706 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51056701) 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, 4254720 + ... + 4254731.

It is an arithmetic number, because the mean of its divisors is an integer number (12764178).

Almost surely, 2^51056706 is an apocalyptic number.

51056706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51056706 is a wasteful number, since it uses less digits than its factorization.

51056706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8509456.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 51056706 is about 7145.3975396755. The cubic root of 51056706 is about 370.9803706046.

It can be divided in two parts, 5105 and 6706, that added together give a palindrome (11811).

The spelling of 51056706 in words is "fifty-one million, fifty-six thousand, seven hundred six".