553400040221 has 16 divisors (see below), whose sum is σ = 634272038400. Its totient is φ = 472983211008.

The previous prime is 553400040101. The next prime is 553400040247. The reversal of 553400040221 is 122040004355.

It is a happy number.

553400040221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 553400040221 - 2¹⁰ = 553400039197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553400045221) 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, 4571645 + ... + 4691133.

It is an arithmetic number, because the mean of its divisors is an integer number (39642002400).

Almost surely, 2^553400040221 is an apocalyptic number.

It is an amenable number.

553400040221 is a deficient number, since it is larger than the sum of its proper divisors (80871998179).

553400040221 is a wasteful number, since it uses less digits than its factorization.

553400040221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121388.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 553400040221 its reverse (122040004355), we get a palindrome (675440044576).

The spelling of 553400040221 in words is "five hundred fifty-three billion, four hundred million, forty thousand, two hundred twenty-one".