1553402051433 has 24 divisors (see below), whose sum is σ = 2419505131680. Its totient is φ = 957166856640.

The previous prime is 1553402051423. The next prime is 1553402051477. The reversal of 1553402051433 is 3341502043551.

1553402051433 is a `hidden beast` number, since 1 + 5 + 53 + 40 + 20 + 514 + 33 = 666.

It is not a de Polignac number, because 1553402051433 - 2¹⁷ = 1553401920361 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1553402051423) 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, 110776191 + ... + 110790212.

It is an arithmetic number, because the mean of its divisors is an integer number (100812713820).

Almost surely, 2^{1553402051433} is an apocalyptic number.

It is an amenable number.

1553402051433 is a deficient number, since it is larger than the sum of its proper divisors (866103080247).

1553402051433 is a wasteful number, since it uses less digits than its factorization.

1553402051433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221566469 (or 221566466 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 1553402051433 its reverse (3341502043551), we get a palindrome (4894904094984).

The spelling of 1553402051433 in words is "one trillion, five hundred fifty-three billion, four hundred two million, fifty-one thousand, four hundred thirty-three".