52541145 has 12 divisors (see below), whose sum is σ = 91071396. Its totient is φ = 28021920.

The previous prime is 52541123. The next prime is 52541171. The reversal of 52541145 is 54114525.

It can be written as a sum of positive squares in 2 ways, for example, as 11209104 + 41332041 = 3348^2 + 6429^2 .

It is not a de Polignac number, because 52541145 - 2⁵ = 52541113 is a prime.

It is a super-2 number, since 2×52541145² = 5521143835822050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583746 + ... + 583835.

It is an arithmetic number, because the mean of its divisors is an integer number (7589283).

Almost surely, 2^52541145 is an apocalyptic number.

It is an amenable number.

52541145 is a deficient number, since it is larger than the sum of its proper divisors (38530251).

52541145 is a wasteful number, since it uses less digits than its factorization.

52541145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167592 (or 1167589 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 52541145 is about 7248.5270917615. The cubic root of 52541145 is about 374.5414127559.

The spelling of 52541145 in words is "fifty-two million, five hundred forty-one thousand, one hundred forty-five".