55267581394 has 4 divisors (see below), whose sum is σ = 82901372094. Its totient is φ = 27633790696.

The previous prime is 55267581373. The next prime is 55267581407. The reversal of 55267581394 is 49318576255.

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., 40255205769 + 15012375625 = 200637^2 + 122525^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13816895347 + ... + 13816895350.

Almost surely, 2^55267581394 is an apocalyptic number.

55267581394 is a deficient number, since it is larger than the sum of its proper divisors (27633790700).

55267581394 is a wasteful number, since it uses less digits than its factorization.

55267581394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27633790699.

The product of its digits is 9072000, while the sum is 55.

The spelling of 55267581394 in words is "fifty-five billion, two hundred sixty-seven million, five hundred eighty-one thousand, three hundred ninety-four".