52115777 has 8 divisors (see below), whose sum is σ = 60537792. Its totient is φ = 43938000.

The previous prime is 52115773. The next prime is 52115779. The reversal of 52115777 is 77751125.

It is a happy number.

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 52115777 - 2² = 52115773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52115771) 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, 60599 + ... + 61452.

It is an arithmetic number, because the mean of its divisors is an integer number (7567224).

Almost surely, 2^52115777 is an apocalyptic number.

It is an amenable number.

52115777 is a deficient number, since it is larger than the sum of its proper divisors (8422015).

52115777 is a wasteful number, since it uses less digits than its factorization.

52115777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122119.

The product of its digits is 17150, while the sum is 35.

The square root of 52115777 is about 7219.1257780981. The cubic root of 52115777 is about 373.5279224920.

The spelling of 52115777 in words is "fifty-two million, one hundred fifteen thousand, seven hundred seventy-seven".