1355553400454 has 8 divisors (see below), whose sum is σ = 2218178291688. Its totient is φ = 616160636560.

The previous prime is 1355553400433. The next prime is 1355553400459. The reversal of 1355553400454 is 4540043555531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1355553400454² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355553400459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30808031807 + ... + 30808031850.

It is an arithmetic number, because the mean of its divisors is an integer number (277272286461).

Almost surely, 2^{1355553400454} is an apocalyptic number.

1355553400454 is a deficient number, since it is larger than the sum of its proper divisors (862624891234).

1355553400454 is a wasteful number, since it uses less digits than its factorization.

1355553400454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61616063670.

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

Adding to 1355553400454 its reverse (4540043555531), we get a palindrome (5895596955985).

The spelling of 1355553400454 in words is "one trillion, three hundred fifty-five billion, five hundred fifty-three million, four hundred thousand, four hundred fifty-four".