553121355 has 16 divisors (see below), whose sum is σ = 887210784. Its totient is φ = 294259200.

The previous prime is 553121353. The next prime is 553121377.

553121355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 553121355 - 2¹ = 553121353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553121351) 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, 39964 + ... + 51993.

It is an arithmetic number, because the mean of its divisors is an integer number (55450674).

Almost surely, 2^553121355 is an apocalyptic number.

553121355 is a deficient number, since it is larger than the sum of its proper divisors (334089429).

553121355 is a wasteful number, since it uses less digits than its factorization.

553121355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92366.

The product of its digits is 11250, while the sum is 30.

The square root of 553121355 is about 23518.5321608301. The cubic root of 553121355 is about 820.8682826270.

The spelling of 553121355 in words is "five hundred fifty-three million, one hundred twenty-one thousand, three hundred fifty-five".