554153121 has 6 divisors (see below), whose sum is σ = 800443410. Its totient is φ = 369435408.

The previous prime is 554153087. The next prime is 554153129. The reversal of 554153121 is 121351455.

It can be written as a sum of positive squares in only one way, i.e., 442639521 + 111513600 = 21039^2 + 10560^2 .

It is a de Polignac number, because none of the positive numbers 2^k-554153121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (554153129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30786276 + ... + 30786293.

It is an arithmetic number, because the mean of its divisors is an integer number (133407235).

Almost surely, 2^554153121 is an apocalyptic number.

It is an amenable number.

554153121 is a deficient number, since it is larger than the sum of its proper divisors (246290289).

554153121 is a wasteful number, since it uses less digits than its factorization.

554153121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61572575 (or 61572572 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 554153121 is about 23540.4571111098. The cubic root of 554153121 is about 821.3783683467.

The spelling of 554153121 in words is "five hundred fifty-four million, one hundred fifty-three thousand, one hundred twenty-one".