55657267833 has 4 divisors (see below), whose sum is σ = 74209690448. Its totient is φ = 37104845220.

The previous prime is 55657267829. The next prime is 55657267859. The reversal of 55657267833 is 33876275655.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55657267833 - 2² = 55657267829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55657267873) 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, 9276211303 + ... + 9276211308.

It is an arithmetic number, because the mean of its divisors is an integer number (18552422612).

Almost surely, 2^55657267833 is an apocalyptic number.

It is an amenable number.

55657267833 is a deficient number, since it is larger than the sum of its proper divisors (18552422615).

55657267833 is a wasteful number, since it uses less digits than its factorization.

55657267833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18552422614.

The product of its digits is 31752000, while the sum is 57.

The spelling of 55657267833 in words is "fifty-five billion, six hundred fifty-seven million, two hundred sixty-seven thousand, eight hundred thirty-three".