53450145 has 64 divisors (see below), whose sum is σ = 109578240. Its totient is φ = 24214464.

The previous prime is 53450141. The next prime is 53450147. The reversal of 53450145 is 54105435.

It is not a de Polignac number, because 53450145 - 2² = 53450141 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (53450141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153862 + ... + 154208.

It is an arithmetic number, because the mean of its divisors is an integer number (1712160).

Almost surely, 2^53450145 is an apocalyptic number.

It is an amenable number.

53450145 is an abundant number, since it is smaller than the sum of its proper divisors (56128095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53450145 is a wasteful number, since it uses less digits than its factorization.

53450145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 53450145 is about 7310.9606071979. The cubic root of 53450145 is about 376.6890211322.

The spelling of 53450145 in words is "fifty-three million, four hundred fifty thousand, one hundred forty-five".