52120553 has 16 divisors (see below), whose sum is σ = 58665600. Its totient is φ = 46062720.

The previous prime is 52120547. The next prime is 52120559. The reversal of 52120553 is 35502125.

It is an interprime number because it is at equal distance from previous prime (52120547) and next prime (52120559).

It is a cyclic number.

It is not a de Polignac number, because 52120553 - 2⁸ = 52120297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52120559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16463 + ... + 19371.

It is an arithmetic number, because the mean of its divisors is an integer number (3666600).

Almost surely, 2^52120553 is an apocalyptic number.

It is an amenable number.

52120553 is a deficient number, since it is larger than the sum of its proper divisors (6545047).

52120553 is a wasteful number, since it uses less digits than its factorization.

52120553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 52120553 is about 7219.4565584952. The cubic root of 52120553 is about 373.5393324396.

Adding to 52120553 its reverse (35502125), we get a palindrome (87622678).

The spelling of 52120553 in words is "fifty-two million, one hundred twenty thousand, five hundred fifty-three".