55274527479 has 4 divisors (see below), whose sum is σ = 73699369976. Its totient is φ = 36849684984.

The previous prime is 55274527471. The next prime is 55274527499. The reversal of 55274527479 is 97472547255.

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

It is not a de Polignac number, because 55274527479 - 2³ = 55274527471 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 (55274527471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9212421244 + ... + 9212421249.

It is an arithmetic number, because the mean of its divisors is an integer number (18424842494).

Almost surely, 2^55274527479 is an apocalyptic number.

55274527479 is a deficient number, since it is larger than the sum of its proper divisors (18424842497).

55274527479 is a wasteful number, since it uses less digits than its factorization.

55274527479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18424842496.

The product of its digits is 24696000, while the sum is 57.

The spelling of 55274527479 in words is "fifty-five billion, two hundred seventy-four million, five hundred twenty-seven thousand, four hundred seventy-nine".