554138787831455 has 16 divisors (see below), whose sum is σ = 665329091153760. Its totient is φ = 443069361326592.

The previous prime is 554138787831413. The next prime is 554138787831457.

554138787831455 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554138787831455 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554138787831457) 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, 156036707 + ... + 159548523.

It is an arithmetic number, because the mean of its divisors is an integer number (41583068197110).

Almost surely, 2^{554138787831455} is an apocalyptic number.

554138787831455 is a deficient number, since it is larger than the sum of its proper divisors (111190303322305).

554138787831455 is a wasteful number, since it uses less digits than its factorization.

554138787831455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529018.

The product of its digits is 2257920000, while the sum is 74.

The spelling of 554138787831455 in words is "five hundred fifty-four trillion, one hundred thirty-eight billion, seven hundred eighty-seven million, eight hundred thirty-one thousand, four hundred fifty-five".