1553380045 has 8 divisors (see below), whose sum is σ = 2130349824. Its totient is φ = 1065174864.

The previous prime is 1553380039. The next prime is 1553380061. The reversal of 1553380045 is 5400833551.

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 1553380045 - 2⁵ = 1553380013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22191109 + ... + 22191178.

It is an arithmetic number, because the mean of its divisors is an integer number (266293728).

Almost surely, 2^1553380045 is an apocalyptic number.

It is an amenable number.

1553380045 is a deficient number, since it is larger than the sum of its proper divisors (576969779).

1553380045 is an equidigital number, since it uses as much as digits as its factorization.

1553380045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44382299.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 1553380045 is about 39412.9426077272. The cubic root of 1553380045 is about 1158.1351439583.

The spelling of 1553380045 in words is "one billion, five hundred fifty-three million, three hundred eighty thousand, forty-five".