554154021 has 8 divisors (see below), whose sum is σ = 820968960. Its totient is φ = 369435996.

The previous prime is 554154001. The next prime is 554154031. The reversal of 554154021 is 120451455.

It is not a de Polignac number, because 554154021 - 2¹¹ = 554151973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 20524223 = 554154021 / (5 + 5 + 4 + 1 + 5 + 4 + 0 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554154001) 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, 10262085 + ... + 10262138.

It is an arithmetic number, because the mean of its divisors is an integer number (102621120).

Almost surely, 2^554154021 is an apocalyptic number.

It is an amenable number.

554154021 is a deficient number, since it is larger than the sum of its proper divisors (266814939).

554154021 is a wasteful number, since it uses less digits than its factorization.

554154021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20524232 (or 20524226 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 554154021 is about 23540.4762271285. The cubic root of 554154021 is about 821.3788130133.

The spelling of 554154021 in words is "five hundred fifty-four million, one hundred fifty-four thousand, twenty-one".