553504073 has 4 divisors (see below), whose sum is σ = 553733268. Its totient is φ = 553274880.

The previous prime is 553504051. The next prime is 553504079. The reversal of 553504073 is 370405355.

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 290804809 + 262699264 = 17053^2 + 16208^2 .

It is a cyclic number.

It is not a de Polignac number, because 553504073 - 2¹⁶ = 553438537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553504079) 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, 110936 + ... + 115817.

It is an arithmetic number, because the mean of its divisors is an integer number (138433317).

Almost surely, 2^553504073 is an apocalyptic number.

It is an amenable number.

553504073 is a deficient number, since it is larger than the sum of its proper divisors (229195).

553504073 is a wasteful number, since it uses less digits than its factorization.

553504073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229194.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 553504073 is about 23526.6672735430. The cubic root of 553504073 is about 821.0575651620.

The spelling of 553504073 in words is "five hundred fifty-three million, five hundred four thousand, seventy-three".