55342253533 has 8 divisors (see below), whose sum is σ = 63476625152. Its totient is φ = 47264965776.

The previous prime is 55342253521. The next prime is 55342253557. The reversal of 55342253533 is 33535224355.

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

It is a de Polignac number, because none of the positive numbers 2^k-55342253533 is a prime.

It is a super-2 number, since 2×55342253533² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55342253563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14268885 + ... + 14272762.

It is an arithmetic number, because the mean of its divisors is an integer number (7934578144).

Almost surely, 2^55342253533 is an apocalyptic number.

It is an amenable number.

55342253533 is a deficient number, since it is larger than the sum of its proper divisors (8134371619).

55342253533 is a wasteful number, since it uses less digits than its factorization.

55342253533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28541931.

The product of its digits is 810000, while the sum is 40.

Adding to 55342253533 its reverse (33535224355), we get a palindrome (88877477888).

The spelling of 55342253533 in words is "fifty-five billion, three hundred forty-two million, two hundred fifty-three thousand, five hundred thirty-three".