52780258 has 8 divisors (see below), whose sum is σ = 79226028. Its totient is φ = 26371584.

The previous prime is 52780253. The next prime is 52780283. The reversal of 52780258 is 85208725.

52780258 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 43520409 + 9259849 = 6597^2 + 3043^2 .

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 (52780253) 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, 5391 + ... + 11602.

Almost surely, 2^52780258 is an apocalyptic number.

52780258 is a deficient number, since it is larger than the sum of its proper divisors (26445770).

52780258 is a wasteful number, since it uses less digits than its factorization.

52780258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18548.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 52780258 is about 7265.0022711628. The cubic root of 52780258 is about 375.1087281758.

The spelling of 52780258 in words is "fifty-two million, seven hundred eighty thousand, two hundred fifty-eight".