55142303104 has 32 divisors (see below), whose sum is σ = 125547210000. Its totient is φ = 23632415232.

The previous prime is 55142303093. The next prime is 55142303107. The reversal of 55142303104 is 40130324155.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×55142303104² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55142303107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30770479 + ... + 30772270.

Almost surely, 2^55142303104 is an apocalyptic number.

It is an amenable number.

55142303104 is an abundant number, since it is smaller than the sum of its proper divisors (70404906896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55142303104 is an equidigital number, since it uses as much as digits as its factorization.

55142303104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61542770 (or 61542758 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 55142303104 its reverse (40130324155), we get a palindrome (95272627259).

The spelling of 55142303104 in words is "fifty-five billion, one hundred forty-two million, three hundred three thousand, one hundred four".