52775777 has 8 divisors (see below), whose sum is σ = 55145664. Its totient is φ = 50412208.

The previous prime is 52775773. The next prime is 52775819. The reversal of 52775777 is 77757725.

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

It is a cyclic number.

It is not a de Polignac number, because 52775777 - 2² = 52775773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52775771) 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, 25763 + ... + 27735.

It is an arithmetic number, because the mean of its divisors is an integer number (6893208).

Almost surely, 2^52775777 is an apocalyptic number.

It is an amenable number.

52775777 is a deficient number, since it is larger than the sum of its proper divisors (2369887).

52775777 is a wasteful number, since it uses less digits than its factorization.

52775777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159.

The product of its digits is 840350, while the sum is 47.

The square root of 52775777 is about 7264.6938682920. The cubic root of 52775777 is about 375.0981124024.

The spelling of 52775777 in words is "fifty-two million, seven hundred seventy-five thousand, seven hundred seventy-seven".