1552455553 has 8 divisors (see below), whose sum is σ = 1782724320. Its totient is φ = 1337042880.

The previous prime is 1552455539. The next prime is 1552455557. The reversal of 1552455553 is 3555542551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1552455553 - 2⁹ = 1552455041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552455557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3713800 + ... + 3714217.

It is an arithmetic number, because the mean of its divisors is an integer number (222840540).

Almost surely, 2^1552455553 is an apocalyptic number.

It is an amenable number.

1552455553 is a deficient number, since it is larger than the sum of its proper divisors (230268767).

1552455553 is a wasteful number, since it uses less digits than its factorization.

1552455553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428047.

The product of its digits is 375000, while the sum is 40.

The square root of 1552455553 is about 39401.2125828635. The cubic root of 1552455553 is about 1157.9053441839.

The spelling of 1552455553 in words is "one billion, five hundred fifty-two million, four hundred fifty-five thousand, five hundred fifty-three".