52120881 has 32 divisors (see below), whose sum is σ = 79833600. Its totient is φ = 33586560.

The previous prime is 52120879. The next prime is 52120907. The reversal of 52120881 is 18802125.

52120881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52120881 - 2¹ = 52120879 is a prime.

It is a super-2 number, since 2×52120881² = 5433172472432322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52120381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217960 + ... + 218198.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^52120881 is an apocalyptic number.

It is an amenable number.

52120881 is a deficient number, since it is larger than the sum of its proper divisors (27712719).

52120881 is a wasteful number, since it uses less digits than its factorization.

52120881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 52120881 is about 7219.4792748508. The cubic root of 52120881 is about 373.5401160118.

It can be divided in two parts, 5212088 and 1, that added together give a square (5212089 = 2283²).

The spelling of 52120881 in words is "fifty-two million, one hundred twenty thousand, eight hundred eighty-one".