52978611 has 8 divisors (see below), whose sum is σ = 80729344. Its totient is φ = 30273480.

The previous prime is 52978609. The next prime is 52978633. The reversal of 52978611 is 11687925.

52978611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52978611 - 2¹ = 52978609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52978611.

It is not an unprimeable number, because it can be changed into a prime (52978711) 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 7 ways as a sum of consecutive naturals, for example, 1261375 + ... + 1261416.

It is an arithmetic number, because the mean of its divisors is an integer number (10091168).

Almost surely, 2^52978611 is an apocalyptic number.

52978611 is a deficient number, since it is larger than the sum of its proper divisors (27750733).

52978611 is a wasteful number, since it uses less digits than its factorization.

52978611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522801.

The product of its digits is 30240, while the sum is 39.

The square root of 52978611 is about 7278.6407384896. The cubic root of 52978611 is about 375.5780383112.

The spelling of 52978611 in words is "fifty-two million, nine hundred seventy-eight thousand, six hundred eleven".