1553551320253 has 8 divisors (see below), whose sum is σ = 1589698712448. Its totient is φ = 1517404759584.

The previous prime is 1553551320229. The next prime is 1553551320263. The reversal of 1553551320253 is 3520231553551.

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 1553551320253 - 2³³ = 1544961385661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553551320263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5174700 + ... + 5466682.

It is an arithmetic number, because the mean of its divisors is an integer number (198712339056).

Almost surely, 2^{1553551320253} is an apocalyptic number.

It is an amenable number.

1553551320253 is a deficient number, since it is larger than the sum of its proper divisors (36147392195).

1553551320253 is a wasteful number, since it uses less digits than its factorization.

1553551320253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415763.

The product of its (nonzero) digits is 337500, while the sum is 40.

The spelling of 1553551320253 in words is "one trillion, five hundred fifty-three billion, five hundred fifty-one million, three hundred twenty thousand, two hundred fifty-three".