553521066451 has 4 divisors (see below), whose sum is σ = 568481095312. Its totient is φ = 538561037592.

The previous prime is 553521066437. The next prime is 553521066479. The reversal of 553521066451 is 154660125355.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 553521066451 - 2⁷ = 553521066323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553521066398 and 553521066407.

It is not an unprimeable number, because it can be changed into a prime (553521066431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7480014375 + ... + 7480014448.

It is an arithmetic number, because the mean of its divisors is an integer number (142120273828).

Almost surely, 2^553521066451 is an apocalyptic number.

553521066451 is a deficient number, since it is larger than the sum of its proper divisors (14960028861).

553521066451 is a wasteful number, since it uses less digits than its factorization.

553521066451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14960028860.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 553521066451 in words is "five hundred fifty-three billion, five hundred twenty-one million, sixty-six thousand, four hundred fifty-one".