73052553 has 24 divisors (see below), whose sum is σ = 118261312. Its totient is φ = 39285504.

The previous prime is 73052513. The next prime is 73052591. The reversal of 73052553 is 35525037.

It is not a de Polignac number, because 73052553 - 2⁶ = 73052489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73052553.

It is not an unprimeable number, because it can be changed into a prime (73052513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51 + ... + 12087.

Almost surely, 2^73052553 is an apocalyptic number.

It is an amenable number.

73052553 is a deficient number, since it is larger than the sum of its proper divisors (45208759).

73052553 is a wasteful number, since it uses less digits than its factorization.

73052553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12081 (or 12064 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 73052553 is about 8547.0786237170. The cubic root of 73052553 is about 418.0341863633.

The spelling of 73052553 in words is "seventy-three million, fifty-two thousand, five hundred fifty-three".