53530545 has 16 divisors (see below), whose sum is σ = 89373312. Its totient is φ = 27308160.

The previous prime is 53530541. The next prime is 53530559. The reversal of 53530545 is 54503535.

It is not a de Polignac number, because 53530545 - 2² = 53530541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53530541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77236 + ... + 77925.

It is an arithmetic number, because the mean of its divisors is an integer number (5585832).

Almost surely, 2^53530545 is an apocalyptic number.

It is an amenable number.

53530545 is a deficient number, since it is larger than the sum of its proper divisors (35842767).

53530545 is a wasteful number, since it uses less digits than its factorization.

53530545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155192.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 53530545 is about 7316.4571344333. The cubic root of 53530545 is about 376.8777990711.

The spelling of 53530545 in words is "fifty-three million, five hundred thirty thousand, five hundred forty-five".