55404081283 has 4 divisors (see below), whose sum is σ = 56184420528. Its totient is φ = 54623742040.

The previous prime is 55404081281. The next prime is 55404081287. The reversal of 55404081283 is 38218040455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55404081283 - 2¹ = 55404081281 is a prime.

It is a super-2 number, since 2×55404081283² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55404081281) 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, 390169516 + ... + 390169657.

It is an arithmetic number, because the mean of its divisors is an integer number (14046105132).

Almost surely, 2^55404081283 is an apocalyptic number.

55404081283 is a deficient number, since it is larger than the sum of its proper divisors (780339245).

55404081283 is an equidigital number, since it uses as much as digits as its factorization.

55404081283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780339244.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 55404081283 in words is "fifty-five billion, four hundred four million, eighty-one thousand, two hundred eighty-three".