52988445 has 32 divisors (see below), whose sum is σ = 95356800. Its totient is φ = 27914112.

The previous prime is 52988407. The next prime is 52988447. The reversal of 52988445 is 54488925.

52988445 is a `hidden beast` number, since 529 + 8 + 84 + 45 = 666.

It is not a de Polignac number, because 52988445 - 2¹⁰ = 52987421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52988445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52988447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8841 + ... + 13569.

It is an arithmetic number, because the mean of its divisors is an integer number (2979900).

Almost surely, 2^52988445 is an apocalyptic number.

It is an amenable number.

52988445 is a deficient number, since it is larger than the sum of its proper divisors (42368355).

52988445 is a wasteful number, since it uses less digits than its factorization.

52988445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826 (or 4820 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 52988445 is about 7279.3162453626. The cubic root of 52988445 is about 375.6012753991.

The spelling of 52988445 in words is "fifty-two million, nine hundred eighty-eight thousand, four hundred forty-five".