53601545 has 4 divisors (see below), whose sum is σ = 64321860. Its totient is φ = 42881232.

The previous prime is 53601529. The next prime is 53601547. The reversal of 53601545 is 54510635.

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 9339136 + 44262409 = 3056^2 + 6653^2 .

It is a cyclic number.

It is not a de Polignac number, because 53601545 - 2⁴ = 53601529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53601547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5360150 + ... + 5360159.

It is an arithmetic number, because the mean of its divisors is an integer number (16080465).

Almost surely, 2^53601545 is an apocalyptic number.

It is an amenable number.

53601545 is a deficient number, since it is larger than the sum of its proper divisors (10720315).

53601545 is a wasteful number, since it uses less digits than its factorization.

53601545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10720314.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 53601545 is about 7321.3076017881. The cubic root of 53601545 is about 377.0443488555.

The spelling of 53601545 in words is "fifty-three million, six hundred one thousand, five hundred forty-five".