55140272683 has 4 divisors (see below), whose sum is σ = 55171304440. Its totient is φ = 55109240928.

The previous prime is 55140272641. The next prime is 55140272753. The reversal of 55140272683 is 38627204155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55140272683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55140272183) 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, 15513213 + ... + 15516766.

It is an arithmetic number, because the mean of its divisors is an integer number (13792826110).

Almost surely, 2^55140272683 is an apocalyptic number.

55140272683 is a deficient number, since it is larger than the sum of its proper divisors (31031757).

55140272683 is a wasteful number, since it uses less digits than its factorization.

55140272683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31031756.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 55140272683 in words is "fifty-five billion, one hundred forty million, two hundred seventy-two thousand, six hundred eighty-three".