52777288 has 32 divisors (see below), whose sum is σ = 104580000. Its totient is φ = 24900480.

The previous prime is 52777279. The next prime is 52777301. The reversal of 52777288 is 88277725.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49788 + ... + 50836.

It is an arithmetic number, because the mean of its divisors is an integer number (3268125).

Almost surely, 2^52777288 is an apocalyptic number.

It is an amenable number.

52777288 is a deficient number, since it is larger than the sum of its proper divisors (51802712).

52777288 is a wasteful number, since it uses less digits than its factorization.

52777288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1401 counting only the distinct ones).

The product of its digits is 439040, while the sum is 46.

The square root of 52777288 is about 7264.7978636711. The cubic root of 52777288 is about 375.1016921244.

It can be divided in two parts, 527 and 77288, that added together give a triangular number (77815 = T₃₉₄).

The spelling of 52777288 in words is "fifty-two million, seven hundred seventy-seven thousand, two hundred eighty-eight".