52772777 has 8 divisors (see below), whose sum is σ = 55953576. Its totient is φ = 49600512.

The previous prime is 52772773. The next prime is 52772807. The reversal of 52772777 is 77727725.

It can be written as a sum of positive squares in 4 ways, for example, as 12880921 + 39891856 = 3589^2 + 6316^2 .

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 52772777 - 2² = 52772773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52772773) 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, 14273 + ... + 17585.

It is an arithmetic number, because the mean of its divisors is an integer number (6994197).

Almost surely, 2^52772777 is an apocalyptic number.

It is an amenable number.

52772777 is a deficient number, since it is larger than the sum of its proper divisors (3180799).

52772777 is a wasteful number, since it uses less digits than its factorization.

52772777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267.

The product of its digits is 336140, while the sum is 44.

The square root of 52772777 is about 7264.4873872834. The cubic root of 52772777 is about 375.0910048761.

The spelling of 52772777 in words is "fifty-two million, seven hundred seventy-two thousand, seven hundred seventy-seven".