55645267337 has 4 divisors (see below), whose sum is σ = 60703928016. Its totient is φ = 50586606660.

The previous prime is 55645267331. The next prime is 55645267351. The reversal of 55645267337 is 73376254655.

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 a cyclic number.

It is not a de Polignac number, because 55645267337 - 2⁸ = 55645267081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55645267331) 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, 2529330323 + ... + 2529330344.

It is an arithmetic number, because the mean of its divisors is an integer number (15175982004).

Almost surely, 2^55645267337 is an apocalyptic number.

It is an amenable number.

55645267337 is a deficient number, since it is larger than the sum of its proper divisors (5058660679).

55645267337 is a wasteful number, since it uses less digits than its factorization.

55645267337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058660678.

The product of its digits is 15876000, while the sum is 53.

The spelling of 55645267337 in words is "fifty-five billion, six hundred forty-five million, two hundred sixty-seven thousand, three hundred thirty-seven".