1553224051 has 2 divisors, whose sum is σ = 1553224052. Its totient is φ = 1553224050.

The previous prime is 1553224019. The next prime is 1553224121. The reversal of 1553224051 is 1504223551.

It is a weak prime.

It is an emirp because it is prime and its reverse (1504223551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1553224051 - 2⁵ = 1553224019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1553221051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776612025 + 776612026.

It is an arithmetic number, because the mean of its divisors is an integer number (776612026).

Almost surely, 2^1553224051 is an apocalyptic number.

1553224051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553224051 is an equidigital number, since it uses as much as digits as its factorization.

1553224051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1553224051 is about 39410.9635888289. The cubic root of 1553224051 is about 1158.0963751281.

The spelling of 1553224051 in words is "one billion, five hundred fifty-three million, two hundred twenty-four thousand, fifty-one".