554035365421 has 24 divisors (see below), whose sum is σ = 591128585960. Its totient is φ = 519157112832.

The previous prime is 554035365419. The next prime is 554035365431. The reversal of 554035365421 is 124563530455.

It can be written as a sum of positive squares in 12 ways, for example, as 20616939396 + 533418426025 = 143586^2 + 730355^2 .

It is not a de Polignac number, because 554035365421 - 2¹ = 554035365419 is a prime.

It is a super-2 number, since 2×554035365421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554035365431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167229061 + ... + 167232373.

Almost surely, 2^554035365421 is an apocalyptic number.

It is an amenable number.

554035365421 is a deficient number, since it is larger than the sum of its proper divisors (37093220539).

554035365421 is a wasteful number, since it uses less digits than its factorization.

554035365421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713 (or 5696 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 554035365421 its reverse (124563530455), we get a palindrome (678598895876).

The spelling of 554035365421 in words is "five hundred fifty-four billion, thirty-five million, three hundred sixty-five thousand, four hundred twenty-one".