554155361 has 2 divisors, whose sum is σ = 554155362. Its totient is φ = 554155360.

The previous prime is 554155339. The next prime is 554155369. The reversal of 554155361 is 163551455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459287761 + 94867600 = 21431^2 + 9740^2 .

It is a cyclic number.

It is not a de Polignac number, because 554155361 - 2²² = 549961057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (554155369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277077680 + 277077681.

It is an arithmetic number, because the mean of its divisors is an integer number (277077681).

Almost surely, 2^554155361 is an apocalyptic number.

It is an amenable number.

554155361 is a deficient number, since it is larger than the sum of its proper divisors (1).

554155361 is an equidigital number, since it uses as much as digits as its factorization.

554155361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45000, while the sum is 35.

The square root of 554155361 is about 23540.5046887275. The cubic root of 554155361 is about 821.3794750715.

The spelling of 554155361 in words is "five hundred fifty-four million, one hundred fifty-five thousand, three hundred sixty-one".