55052919842 has 18 divisors (see below), whose sum is σ = 83035312497. Its totient is φ = 27375315000.

The previous prime is 55052919829. The next prime is 55052919847. The reversal of 55052919842 is 24891925055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49791013321 + 5261906521 = 223139^2 + 72539^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=165911.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55052919847) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 83286992 + ... + 83287652.

Almost surely, 2^55052919842 is an apocalyptic number.

55052919842 is a deficient number, since it is larger than the sum of its proper divisors (27982392655).

55052919842 is an frugal number, since it uses more digits than its factorization.

55052919842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 50.

Multiplying 55052919842 by its sum of digits (50), we get a square (2752645992100 = 1659110²).

The spelling of 55052919842 in words is "fifty-five billion, fifty-two million, nine hundred nineteen thousand, eight hundred forty-two".