553155455 has 16 divisors (see below), whose sum is σ = 713594880. Its totient is φ = 410310432.

The previous prime is 553155443. The next prime is 553155461. The reversal of 553155455 is 554551355.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 553155455 - 2¹² = 553151359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57479 + ... + 66408.

It is an arithmetic number, because the mean of its divisors is an integer number (44599680).

Almost surely, 2^553155455 is an apocalyptic number.

553155455 is a deficient number, since it is larger than the sum of its proper divisors (160439425).

553155455 is a wasteful number, since it uses less digits than its factorization.

553155455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123958.

The product of its digits is 187500, while the sum is 38.

The square root of 553155455 is about 23519.2571098664. The cubic root of 553155455 is about 820.8851511574.

The spelling of 553155455 in words is "five hundred fifty-three million, one hundred fifty-five thousand, four hundred fifty-five".