55286044477 has 8 divisors (see below), whose sum is σ = 55584084600. Its totient is φ = 54988124160.

The previous prime is 55286044441. The next prime is 55286044487. The reversal of 55286044477 is 77444068255.

It can be written as a sum of positive squares in 4 ways, for example, as 21337613476 + 33948431001 = 146074^2 + 184251^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55286044477 - 2⁷ = 55286044349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55286044487) 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, 988149 + ... + 1042597.

It is an arithmetic number, because the mean of its divisors is an integer number (6948010575).

Almost surely, 2^55286044477 is an apocalyptic number.

It is an amenable number.

55286044477 is a deficient number, since it is larger than the sum of its proper divisors (298040123).

55286044477 is a wasteful number, since it uses less digits than its factorization.

55286044477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59903.

The product of its (nonzero) digits is 7526400, while the sum is 52.

The spelling of 55286044477 in words is "fifty-five billion, two hundred eighty-six million, forty-four thousand, four hundred seventy-seven".