554533121 has 4 divisors (see below), whose sum is σ = 554690052. Its totient is φ = 554376192.

The previous prime is 554533093. The next prime is 554533129. The reversal of 554533121 is 121335455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10010896 + 544522225 = 3164^2 + 23335^2 .

It is a cyclic number.

It is not a de Polignac number, because 554533121 - 2¹⁴ = 554516737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554533129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73040 + ... + 80273.

It is an arithmetic number, because the mean of its divisors is an integer number (138672513).

Almost surely, 2^554533121 is an apocalyptic number.

It is an amenable number.

554533121 is a deficient number, since it is larger than the sum of its proper divisors (156931).

554533121 is a wasteful number, since it uses less digits than its factorization.

554533121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156930.

The product of its digits is 9000, while the sum is 29.

The square root of 554533121 is about 23548.5269390678. The cubic root of 554533121 is about 821.5660736644.

Adding to 554533121 its reverse (121335455), we get a palindrome (675868576).

The spelling of 554533121 in words is "five hundred fifty-four million, five hundred thirty-three thousand, one hundred twenty-one".