553021451114021 has 4 divisors (see below), whose sum is σ = 553021610498892. Its totient is φ = 553021291729152.

The previous prime is 553021451113933. The next prime is 553021451114047. The reversal of 553021451114021 is 120411154120355.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 394651559173921 + 158369891940100 = 19865839^2 + 12584510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553021451114021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553021451116021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74369330 + ... + 81466803.

It is an arithmetic number, because the mean of its divisors is an integer number (138255402624723).

Almost surely, 2^{553021451114021} is an apocalyptic number.

It is an amenable number.

553021451114021 is a deficient number, since it is larger than the sum of its proper divisors (159384871).

553021451114021 is a wasteful number, since it uses less digits than its factorization.

553021451114021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159384870.

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 553021451114021 in words is "five hundred fifty-three trillion, twenty-one billion, four hundred fifty-one million, one hundred fourteen thousand, twenty-one".