1553030454545 has 8 divisors (see below), whose sum is σ = 1906976930496. Its totient is φ = 1213530773616.

The previous prime is 1553030454527. The next prime is 1553030454551. The reversal of 1553030454545 is 5454540303551.

It is a happy number.

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 1553030454545 - 2⁸ = 1553030454289 is a prime.

It is a super-2 number, since 2×1553030454545² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1553030454496 and 1553030454505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3611698517 + ... + 3611698946.

It is an arithmetic number, because the mean of its divisors is an integer number (238372116312).

Almost surely, 2^{1553030454545} is an apocalyptic number.

It is an amenable number.

1553030454545 is a deficient number, since it is larger than the sum of its proper divisors (353946475951).

1553030454545 is an equidigital number, since it uses as much as digits as its factorization.

1553030454545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7223397511.

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 1553030454545 in words is "one trillion, five hundred fifty-three billion, thirty million, four hundred fifty-four thousand, five hundred forty-five".