52056145 has 8 divisors (see below), whose sum is σ = 62717760. Its totient is φ = 41478000.

The previous prime is 52056133. The next prime is 52056149. The reversal of 52056145 is 54165025.

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

It is not a de Polignac number, because 52056145 - 2¹¹ = 52054097 is a prime.

It is a super-2 number, since 2×52056145² = 5419684464522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52056149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19485 + ... + 21994.

It is an arithmetic number, because the mean of its divisors is an integer number (7839720).

Almost surely, 2^52056145 is an apocalyptic number.

It is an amenable number.

52056145 is a deficient number, since it is larger than the sum of its proper divisors (10661615).

52056145 is a wasteful number, since it uses less digits than its factorization.

52056145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41735.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 52056145 is about 7214.9944559923. The cubic root of 52056145 is about 373.3854018753.

It can be divided in two parts, 520 and 56145, that added together give a palindrome (56665).

The spelling of 52056145 in words is "fifty-two million, fifty-six thousand, one hundred forty-five".