52788477 has 32 divisors (see below), whose sum is σ = 83939328. Its totient is φ = 28881216.

The previous prime is 52788431. The next prime is 52788487. The reversal of 52788477 is 77488725.

It is a happy number.

It is not a de Polignac number, because 52788477 - 2⁶ = 52788413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52788487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47308 + ... + 48410.

It is an arithmetic number, because the mean of its divisors is an integer number (2623104).

Almost surely, 2^52788477 is an apocalyptic number.

It is an amenable number.

52788477 is a deficient number, since it is larger than the sum of its proper divisors (31150851).

52788477 is a wasteful number, since it uses less digits than its factorization.

52788477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209.

The product of its digits is 878080, while the sum is 48.

The square root of 52788477 is about 7265.5679062273. The cubic root of 52788477 is about 375.1281979469.

The spelling of 52788477 in words is "fifty-two million, seven hundred eighty-eight thousand, four hundred seventy-seven".