554132421 has 20 divisors (see below), whose sum is σ = 829031500. Its totient is φ = 368862336.

The previous prime is 554132417. The next prime is 554132431. The reversal of 554132421 is 124231455.

554132421 is a `hidden beast` number, since 5 + 5 + 413 + 242 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66341025 + 487791396 = 8145^2 + 22086^2 .

It is not a de Polignac number, because 554132421 - 2² = 554132417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554132431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52605 + ... + 62253.

It is an arithmetic number, because the mean of its divisors is an integer number (41451575).

Almost surely, 2^554132421 is an apocalyptic number.

It is an amenable number.

554132421 is a deficient number, since it is larger than the sum of its proper divisors (274899079).

554132421 is an equidigital number, since it uses as much as digits as its factorization.

554132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10370 (or 10361 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 554132421 is about 23540.0174383963. The cubic root of 554132421 is about 821.3681408823.

Adding to 554132421 its reverse (124231455), we get a palindrome (678363876).

The spelling of 554132421 in words is "five hundred fifty-four million, one hundred thirty-two thousand, four hundred twenty-one".