55671777337 has 4 divisors (see below), whose sum is σ = 60732848016. Its totient is φ = 50610706660.

The previous prime is 55671777331. The next prime is 55671777341. The reversal of 55671777337 is 73377717655.

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 a de Polignac number, because none of the positive numbers 2^k-55671777337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55671777331) 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, 2530535323 + ... + 2530535344.

It is an arithmetic number, because the mean of its divisors is an integer number (15183212004).

Almost surely, 2^55671777337 is an apocalyptic number.

It is an amenable number.

55671777337 is a deficient number, since it is larger than the sum of its proper divisors (5061070679).

55671777337 is a wasteful number, since it uses less digits than its factorization.

55671777337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061070678.

The product of its digits is 22689450, while the sum is 58.

The spelling of 55671777337 in words is "fifty-five billion, six hundred seventy-one million, seven hundred seventy-seven thousand, three hundred thirty-seven".