52978511 has 8 divisors (see below), whose sum is σ = 56201040. Its totient is φ = 49767808.

The previous prime is 52978493. The next prime is 52978529. The reversal of 52978511 is 11587925.

52978511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52978493) and next prime (52978529).

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

It is a cyclic number.

It is not a de Polignac number, because 52978511 - 2¹⁴ = 52962127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52978531) 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, 7325 + ... + 12633.

It is an arithmetic number, because the mean of its divisors is an integer number (7025130).

Almost surely, 2^52978511 is an apocalyptic number.

52978511 is a deficient number, since it is larger than the sum of its proper divisors (3222529).

52978511 is a wasteful number, since it uses less digits than its factorization.

52978511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913.

The product of its digits is 25200, while the sum is 38.

The square root of 52978511 is about 7278.6338690719. The cubic root of 52978511 is about 375.5778020031.

The spelling of 52978511 in words is "fifty-two million, nine hundred seventy-eight thousand, five hundred eleven".