53065545 has 16 divisors (see below), whose sum is σ = 91436352. Its totient is φ = 26124480.

The previous prime is 53065513. The next prime is 53065559. The reversal of 53065545 is 54556035.

It is not a de Polignac number, because 53065545 - 2⁵ = 53065513 is a prime.

It is a super-2 number, since 2×53065545² = 5631904132294050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135871 + ... + 136260.

It is an arithmetic number, because the mean of its divisors is an integer number (5714772).

Almost surely, 2^53065545 is an apocalyptic number.

It is an amenable number.

53065545 is a deficient number, since it is larger than the sum of its proper divisors (38370807).

53065545 is a wasteful number, since it uses less digits than its factorization.

53065545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272152.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 53065545 is about 7284.6101474272. The cubic root of 53065545 is about 375.7833580167.

The spelling of 53065545 in words is "fifty-three million, sixty-five thousand, five hundred forty-five".