52293778 has 8 divisors (see below), whose sum is σ = 80353980. Its totient is φ = 25509120.

The previous prime is 52293749. The next prime is 52293779. The reversal of 52293778 is 87739225.

52293778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35129329 + 17164449 = 5927^2 + 4143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (52293779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318783 + ... + 318946.

Almost surely, 2^52293778 is an apocalyptic number.

52293778 is a deficient number, since it is larger than the sum of its proper divisors (28060202).

52293778 is a wasteful number, since it uses less digits than its factorization.

52293778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637772.

The product of its digits is 211680, while the sum is 43.

The square root of 52293778 is about 7231.4437009493. The cubic root of 52293778 is about 373.9526997480.

The spelling of 52293778 in words is "fifty-two million, two hundred ninety-three thousand, seven hundred seventy-eight".