1553030454550 has 12 divisors (see below), whose sum is σ = 2888636645556. Its totient is φ = 621212181800.

The previous prime is 1553030454527. The next prime is 1553030454551. The reversal of 1553030454550 is 554540303551.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553030454551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15530304496 + ... + 15530304595.

It is an arithmetic number, because the mean of its divisors is an integer number (240719720463).

Almost surely, 2^{1553030454550} is an apocalyptic number.

1553030454550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1553030454550 is a deficient number, since it is larger than the sum of its proper divisors (1335606191006).

1553030454550 is a wasteful number, since it uses less digits than its factorization.

1553030454550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31060609103 (or 31060609098 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 1553030454550 in words is "one trillion, five hundred fifty-three billion, thirty million, four hundred fifty-four thousand, five hundred fifty".