1354054421553 has 24 divisors (see below), whose sum is σ = 1920431950848. Its totient is φ = 848458382688.

The previous prime is 1354054421543. The next prime is 1354054421617. The reversal of 1354054421553 is 3551244504531.

It is not a de Polignac number, because 1354054421553 - 2⁴ = 1354054421537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1354054421543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4784826 + ... + 5059907.

It is an arithmetic number, because the mean of its divisors is an integer number (80017997952).

Almost surely, 2^{1354054421553} is an apocalyptic number.

It is an amenable number.

1354054421553 is a deficient number, since it is larger than the sum of its proper divisors (566377529295).

1354054421553 is a wasteful number, since it uses less digits than its factorization.

1354054421553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9844901 (or 9844882 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 1354054421553 in words is "one trillion, three hundred fifty-four billion, fifty-four million, four hundred twenty-one thousand, five hundred fifty-three".