500042553 has 4 divisors (see below), whose sum is σ = 666723408. Its totient is φ = 333361700.

The previous prime is 500042549. The next prime is 500042567. The reversal of 500042553 is 355240005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 500042553 - 2² = 500042549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (500042533) 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, 83340423 + ... + 83340428.

It is an arithmetic number, because the mean of its divisors is an integer number (166680852).

Almost surely, 2^500042553 is an apocalyptic number.

It is an amenable number.

500042553 is a deficient number, since it is larger than the sum of its proper divisors (166680855).

500042553 is a wasteful number, since it uses less digits than its factorization.

500042553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166680854.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 500042553 is about 22361.6312687603. The cubic root of 500042553 is about 793.7230415710.

Adding to 500042553 its reverse (355240005), we get a palindrome (855282558).

The spelling of 500042553 in words is "five hundred million, forty-two thousand, five hundred fifty-three".