554050921 has 4 divisors (see below), whose sum is σ = 554318992. Its totient is φ = 553782852.

The previous prime is 554050919. The next prime is 554050943. The reversal of 554050921 is 129050455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 129050455 = 5 ⋅25810091.

It is a cyclic number.

It is not a de Polignac number, because 554050921 - 2¹ = 554050919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554050951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130911 + ... + 135076.

It is an arithmetic number, because the mean of its divisors is an integer number (138579748).

Almost surely, 2^554050921 is an apocalyptic number.

It is an amenable number.

554050921 is a deficient number, since it is larger than the sum of its proper divisors (268071).

554050921 is a wasteful number, since it uses less digits than its factorization.

554050921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268070.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 554050921 is about 23538.2862800162. The cubic root of 554050921 is about 821.3278708535.

The spelling of 554050921 in words is "five hundred fifty-four million, fifty thousand, nine hundred twenty-one".