55619459340677 has 4 divisors (see below), whose sum is σ = 55629995329920. Its totient is φ = 55608923351436.

The previous prime is 55619459340659. The next prime is 55619459340737. The reversal of 55619459340677 is 77604395491655.

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 55619459340677 - 2¹⁶ = 55619459275141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55619459340677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55619459340637) 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, 5267986703 + ... + 5267997260.

It is an arithmetic number, because the mean of its divisors is an integer number (13907498832480).

Almost surely, 2^{55619459340677} is an apocalyptic number.

It is an amenable number.

55619459340677 is a deficient number, since it is larger than the sum of its proper divisors (10535989243).

55619459340677 is a wasteful number, since it uses less digits than its factorization.

55619459340677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535989242.

The product of its (nonzero) digits is 857304000, while the sum is 71.

The spelling of 55619459340677 in words is "fifty-five trillion, six hundred nineteen billion, four hundred fifty-nine million, three hundred forty thousand, six hundred seventy-seven".