55567783394 has 4 divisors (see below), whose sum is σ = 83351675094. Its totient is φ = 27783891696.

The previous prime is 55567783391. The next prime is 55567783457. The reversal of 55567783394 is 49338776555.

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

It can be written as a sum of positive squares in only one way, i.e., 32853375025 + 22714408369 = 181255^2 + 150713^2 .

It is not an unprimeable number, because it can be changed into a prime (55567783391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13891945847 + ... + 13891945850.

Almost surely, 2^55567783394 is an apocalyptic number.

55567783394 is a deficient number, since it is larger than the sum of its proper divisors (27783891700).

55567783394 is a wasteful number, since it uses less digits than its factorization.

55567783394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27783891699.

The product of its digits is 95256000, while the sum is 62.

The spelling of 55567783394 in words is "fifty-five billion, five hundred sixty-seven million, seven hundred eighty-three thousand, three hundred ninety-four".