554112021 has 8 divisors (see below), whose sum is σ = 770938560. Its totient is φ = 353346752.

The previous prime is 554112017. The next prime is 554112047. The reversal of 554112021 is 120211455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 554112021 - 2² = 554112017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554112001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4015236 + ... + 4015373.

It is an arithmetic number, because the mean of its divisors is an integer number (96367320).

Almost surely, 2^554112021 is an apocalyptic number.

It is an amenable number.

554112021 is a deficient number, since it is larger than the sum of its proper divisors (216826539).

554112021 is a wasteful number, since it uses less digits than its factorization.

554112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030635.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 554112021 is about 23539.5841297165. The cubic root of 554112021 is about 821.3580613928.

Adding to 554112021 its reverse (120211455), we get a palindrome (674323476).

It can be divided in two parts, 554 and 112021, that added together give a triangular number (112575 = T₄₇₄).

The spelling of 554112021 in words is "five hundred fifty-four million, one hundred twelve thousand, twenty-one".