52768786 has 12 divisors (see below), whose sum is σ = 92076318. Its totient is φ = 22615152.

The previous prime is 52768769. The next prime is 52768787. The reversal of 52768786 is 68786725.

It can be written as a sum of positive squares in only one way, i.e., 30969225 + 21799561 = 5565^2 + 4669^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (52768787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269131 + ... + 269326.

Almost surely, 2^52768786 is an apocalyptic number.

52768786 is a deficient number, since it is larger than the sum of its proper divisors (39307532).

52768786 is a wasteful number, since it uses less digits than its factorization.

52768786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538473 (or 538466 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 52768786 is about 7264.2126896175. The cubic root of 52768786 is about 375.0815490795.

The spelling of 52768786 in words is "fifty-two million, seven hundred sixty-eight thousand, seven hundred eighty-six".