5401442021553 has 36 divisors (see below), whose sum is σ = 8252195459508. Its totient is φ = 3404036041920.

The previous prime is 5401442021551. The next prime is 5401442021581. The reversal of 5401442021553 is 3551202441045.

5401442021553 is a `hidden beast` number, since 5 + 4 + 0 + 14 + 420 + 215 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 747097465104 + 4654344556449 = 864348^2 + 2157393^2 .

It is not a de Polignac number, because 5401442021553 - 2¹ = 5401442021551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5401442021551) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 305350 + ... + 3300927.

It is an arithmetic number, because the mean of its divisors is an integer number (229227651653).

Almost surely, 2^{5401442021553} is an apocalyptic number.

It is an amenable number.

5401442021553 is a deficient number, since it is larger than the sum of its proper divisors (2850753437955).

5401442021553 is a wasteful number, since it uses less digits than its factorization.

5401442021553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606782 (or 3606760 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 5401442021553 its reverse (3551202441045), we get a palindrome (8952644462598).

The spelling of 5401442021553 in words is "five trillion, four hundred one billion, four hundred forty-two million, twenty-one thousand, five hundred fifty-three".