51779606 has 8 divisors (see below), whose sum is σ = 78942864. Its totient is φ = 25465320.

The previous prime is 51779599. The next prime is 51779621. The reversal of 51779606 is 60697715.

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

It is a super-2 number, since 2×51779606² = 5362255195030472, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212090 + ... + 212333.

It is an arithmetic number, because the mean of its divisors is an integer number (9867858).

Almost surely, 2^51779606 is an apocalyptic number.

51779606 is a deficient number, since it is larger than the sum of its proper divisors (27163258).

51779606 is a wasteful number, since it uses less digits than its factorization.

51779606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424486.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 51779606 is about 7195.8047499915. The cubic root of 51779606 is about 372.7230464540.

The spelling of 51779606 in words is "fifty-one million, seven hundred seventy-nine thousand, six hundred six".