52409553 has 32 divisors (see below), whose sum is σ = 81994752. Its totient is φ = 29160000.

The previous prime is 52409551. The next prime is 52409569. The reversal of 52409553 is 35590425.

It is not a de Polignac number, because 52409553 - 2¹ = 52409551 is a prime.

It is a super-2 number, since 2×52409553² = 5493522491319618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52409551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208678 + ... + 208928.

It is an arithmetic number, because the mean of its divisors is an integer number (2562336).

Almost surely, 2^52409553 is an apocalyptic number.

It is an amenable number.

52409553 is a deficient number, since it is larger than the sum of its proper divisors (29585199).

52409553 is a wasteful number, since it uses less digits than its factorization.

52409553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 52409553 is about 7239.4442466256. Note that the first 3 decimals coincide. The cubic root of 52409553 is about 374.2284652686.

Adding to 52409553 its reverse (35590425), we get a palindrome (87999978).

The spelling of 52409553 in words is "fifty-two million, four hundred nine thousand, five hundred fifty-three".