52120511 has 8 divisors (see below), whose sum is σ = 54019200. Its totient is φ = 50228640.

The previous prime is 52120483. The next prime is 52120547. The reversal of 52120511 is 11502125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52120511 is a prime.

It is a super-2 number, since 2×52120511² = 5433095333802242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52120511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52120561) 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 7 ways as a sum of consecutive naturals, for example, 17810 + ... + 20528.

It is an arithmetic number, because the mean of its divisors is an integer number (6752400).

Almost surely, 2^52120511 is an apocalyptic number.

52120511 is a deficient number, since it is larger than the sum of its proper divisors (1898689).

52120511 is a wasteful number, since it uses less digits than its factorization.

52120511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 52120511 is about 7219.4536496885. The cubic root of 52120511 is about 373.5392321039.

Adding to 52120511 its reverse (11502125), we get a palindrome (63622636).

The spelling of 52120511 in words is "fifty-two million, one hundred twenty thousand, five hundred eleven".