53540945 has 8 divisors (see below), whose sum is σ = 64873536. Its totient is φ = 42416496.

The previous prime is 53540933. The next prime is 53540947. The reversal of 53540945 is 54904535.

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

It is a cyclic number.

It is not a de Polignac number, because 53540945 - 2¹⁴ = 53524561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53540947) 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, 51467 + ... + 52496.

It is an arithmetic number, because the mean of its divisors is an integer number (8109192).

Almost surely, 2^53540945 is an apocalyptic number.

It is an amenable number.

53540945 is a deficient number, since it is larger than the sum of its proper divisors (11332591).

53540945 is a wasteful number, since it uses less digits than its factorization.

53540945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104071.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 53540945 is about 7317.1678264203. The cubic root of 53540945 is about 376.9022042981.

The spelling of 53540945 in words is "fifty-three million, five hundred forty thousand, nine hundred forty-five".