342503553 has 16 divisors (see below), whose sum is σ = 523199360. Its totient is φ = 195232896.

The previous prime is 342503537. The next prime is 342503563. The reversal of 342503553 is 355305243.

It is not a de Polignac number, because 342503553 - 2⁴ = 342503537 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 342503553.

It is not an unprimeable number, because it can be changed into a prime (342503533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11350 + ... + 28527.

It is an arithmetic number, because the mean of its divisors is an integer number (32699960).

Almost surely, 2^342503553 is an apocalyptic number.

It is an amenable number.

342503553 is a deficient number, since it is larger than the sum of its proper divisors (180695807).

342503553 is a wasteful number, since it uses less digits than its factorization.

342503553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40296.

The product of its (nonzero) digits is 27000, while the sum is 30.

The square root of 342503553 is about 18506.8515150471. The cubic root of 342503553 is about 699.6621178867.

Adding to 342503553 its reverse (355305243), we get a palindrome (697808796).

The spelling of 342503553 in words is "three hundred forty-two million, five hundred three thousand, five hundred fifty-three".