553121616 has 40 divisors (see below), whose sum is σ = 1504105120. Its totient is φ = 174669696.

The previous prime is 553121603. The next prime is 553121629. The reversal of 553121616 is 616121355.

It is an interprime number because it is at equal distance from previous prime (553121603) and next prime (553121629).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302335 + ... + 304158.

It is an arithmetic number, because the mean of its divisors is an integer number (37602628).

Almost surely, 2^553121616 is an apocalyptic number.

It is an amenable number.

553121616 is an abundant number, since it is smaller than the sum of its proper divisors (950983504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553121616 is a wasteful number, since it uses less digits than its factorization.

553121616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606523 (or 606517 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 553121616 is about 23518.5377096451. The cubic root of 553121616 is about 820.8684117407.

The spelling of 553121616 in words is "five hundred fifty-three million, one hundred twenty-one thousand, six hundred sixteen".