53523045 has 32 divisors (see below), whose sum is σ = 95472000. Its totient is φ = 28449792.

The previous prime is 53523013. The next prime is 53523049. The reversal of 53523045 is 54032535.

53523045 is a `hidden beast` number, since 5 + 352 + 304 + 5 = 666.

It is not a de Polignac number, because 53523045 - 2⁵ = 53523013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53523049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60174 + ... + 61056.

It is an arithmetic number, because the mean of its divisors is an integer number (2983500).

Almost surely, 2^53523045 is an apocalyptic number.

It is an amenable number.

53523045 is a deficient number, since it is larger than the sum of its proper divisors (41948955).

53523045 is a wasteful number, since it uses less digits than its factorization.

53523045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 1340 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 53523045 is about 7315.9445733275. The cubic root of 53523045 is about 376.8601971860.

The spelling of 53523045 in words is "fifty-three million, five hundred twenty-three thousand, forty-five".