55277263474 has 4 divisors (see below), whose sum is σ = 82915895214. Its totient is φ = 27638631736.

The previous prime is 55277263439. The next prime is 55277263513. The reversal of 55277263474 is 47436277255.

55277263474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 38984528025 + 16292735449 = 197445^2 + 127643^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13819315867 + ... + 13819315870.

Almost surely, 2^55277263474 is an apocalyptic number.

55277263474 is a deficient number, since it is larger than the sum of its proper divisors (27638631740).

55277263474 is a wasteful number, since it uses less digits than its factorization.

55277263474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27638631739.

The product of its digits is 9878400, while the sum is 52.

The spelling of 55277263474 in words is "fifty-five billion, two hundred seventy-seven million, two hundred sixty-three thousand, four hundred seventy-four".