553401505 has 16 divisors (see below), whose sum is σ = 729429120. Its totient is φ = 401182848.

The previous prime is 553401503. The next prime is 553401571. The reversal of 553401505 is 505104355.

It is a cyclic number.

It is not a de Polignac number, because 553401505 - 2¹ = 553401503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553401503) 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, 124452 + ... + 128821.

It is an arithmetic number, because the mean of its divisors is an integer number (45589320).

Almost surely, 2^553401505 is an apocalyptic number.

It is an amenable number.

553401505 is a deficient number, since it is larger than the sum of its proper divisors (176027615).

553401505 is a wasteful number, since it uses less digits than its factorization.

553401505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253320.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 553401505 is about 23524.4873482931. The cubic root of 553401505 is about 821.0068462129.

The spelling of 553401505 in words is "five hundred fifty-three million, four hundred one thousand, five hundred five".