54442215553 has 16 divisors (see below), whose sum is σ = 59848372800. Its totient is φ = 49112852800.

The previous prime is 54442215521. The next prime is 54442215589. The reversal of 54442215553 is 35551224445.

It is not a de Polignac number, because 54442215553 - 2⁵ = 54442215521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54442215853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1723326 + ... + 1754632.

It is an arithmetic number, because the mean of its divisors is an integer number (3740523300).

Almost surely, 2^54442215553 is an apocalyptic number.

It is an amenable number.

54442215553 is a deficient number, since it is larger than the sum of its proper divisors (5406157247).

54442215553 is a wasteful number, since it uses less digits than its factorization.

54442215553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32528.

The product of its digits is 480000, while the sum is 40.

Adding to 54442215553 its reverse (35551224445), we get a palindrome (89993439998).

The spelling of 54442215553 in words is "fifty-four billion, four hundred forty-two million, two hundred fifteen thousand, five hundred fifty-three".