52011144 has 24 divisors (see below), whose sum is σ = 140863710. Its totient is φ = 17337024.

The previous prime is 52011107. The next prime is 52011163. The reversal of 52011144 is 44111025.

52011144 is a `hidden beast` number, since 520 + 1 + 1 + 144 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43956900 + 8054244 = 6630^2 + 2838^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361117 + ... + 361260.

Almost surely, 2^52011144 is an apocalyptic number.

It is an amenable number.

52011144 is an abundant number, since it is smaller than the sum of its proper divisors (88852566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52011144 is a wasteful number, since it uses less digits than its factorization.

52011144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722389 (or 722382 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 52011144 is about 7211.8752069070. The cubic root of 52011144 is about 373.2777773056.

Adding to 52011144 its reverse (44111025), we get a palindrome (96122169).

It can be divided in two parts, 520 and 11144, that added together give a square (11664 = 108²).

The spelling of 52011144 in words is "fifty-two million, eleven thousand, one hundred forty-four".