52154545 has 4 divisors (see below), whose sum is σ = 62585460. Its totient is φ = 41723632.

The previous prime is 52154519. The next prime is 52154549. The reversal of 52154545 is 54545125.

52154545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26388769 + 25765776 = 5137^2 + 5076^2 .

It is a cyclic number.

It is not a de Polignac number, because 52154545 - 2⁵ = 52154513 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (52154549) 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 3 ways as a sum of consecutive naturals, for example, 5215450 + ... + 5215459.

It is an arithmetic number, because the mean of its divisors is an integer number (15646365).

Almost surely, 2^52154545 is an apocalyptic number.

It is an amenable number.

52154545 is a deficient number, since it is larger than the sum of its proper divisors (10430915).

52154545 is a wasteful number, since it uses less digits than its factorization.

52154545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430914.

The product of its digits is 20000, while the sum is 31.

The square root of 52154545 is about 7221.8103685987. The cubic root of 52154545 is about 373.6205197956.

The spelling of 52154545 in words is "fifty-two million, one hundred fifty-four thousand, five hundred forty-five".