554521235212403 has 4 divisors (see below), whose sum is σ = 554521366192440. Its totient is φ = 554521104232368.

The previous prime is 554521235212397. The next prime is 554521235212489. The reversal of 554521235212403 is 304212532125455.

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 554521235212403 - 2¹² = 554521235208307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554521235212493) 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, 58919858 + ... + 67680071.

It is an arithmetic number, because the mean of its divisors is an integer number (138630341548110).

Almost surely, 2^{554521235212403} is an apocalyptic number.

554521235212403 is a deficient number, since it is larger than the sum of its proper divisors (130980037).

554521235212403 is a wasteful number, since it uses less digits than its factorization.

554521235212403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130980036.

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 554521235212403 its reverse (304212532125455), we get a palindrome (858733767337858).

The spelling of 554521235212403 in words is "five hundred fifty-four trillion, five hundred twenty-one billion, two hundred thirty-five million, two hundred twelve thousand, four hundred three".