53445074 has 8 divisors (see below), whose sum is σ = 80512380. Its totient is φ = 26607616.

The previous prime is 53445071. The next prime is 53445097. The reversal of 53445074 is 47054435.

53445074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42837025 + 10608049 = 6545^2 + 3257^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 53445074.

It is not an unprimeable number, because it can be changed into a prime (53445071) 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, 56879 + ... + 57810.

Almost surely, 2^53445074 is an apocalyptic number.

53445074 is a deficient number, since it is larger than the sum of its proper divisors (27067306).

53445074 is a wasteful number, since it uses less digits than its factorization.

53445074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114924.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 53445074 is about 7310.6137909207. The cubic root of 53445074 is about 376.6771081590.

The spelling of 53445074 in words is "fifty-three million, four hundred forty-five thousand, seventy-four".