52327778 has 4 divisors (see below), whose sum is σ = 78491670. Its totient is φ = 26163888.

The previous prime is 52327777. The next prime is 52327799. The reversal of 52327778 is 87772325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39100009 + 13227769 = 6253^2 + 3637^2 .

It is not an unprimeable number, because it can be changed into a prime (52327777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13081943 + ... + 13081946.

Almost surely, 2^52327778 is an apocalyptic number.

52327778 is a deficient number, since it is larger than the sum of its proper divisors (26163892).

52327778 is a wasteful number, since it uses less digits than its factorization.

52327778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26163891.

The product of its digits is 164640, while the sum is 41.

The square root of 52327778 is about 7233.7941635078. The cubic root of 52327778 is about 374.0337268335.

The spelling of 52327778 in words is "fifty-two million, three hundred twenty-seven thousand, seven hundred seventy-eight".