55895503771 has 4 divisors (see below), whose sum is σ = 55896683544. Its totient is φ = 55894324000.

The previous prime is 55895503759. The next prime is 55895503789. The reversal of 55895503771 is 17730559855.

55895503771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17730559855 = 5 ⋅3546111971.

It is a cyclic number.

It is not a de Polignac number, because 55895503771 - 2²¹ = 55893406619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55895503711) 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, 515710 + ... + 614611.

It is an arithmetic number, because the mean of its divisors is an integer number (13974170886).

Almost surely, 2^55895503771 is an apocalyptic number.

55895503771 is a deficient number, since it is larger than the sum of its proper divisors (1179773).

55895503771 is a wasteful number, since it uses less digits than its factorization.

55895503771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179772.

The product of its (nonzero) digits is 6615000, while the sum is 55.

The spelling of 55895503771 in words is "fifty-five billion, eight hundred ninety-five million, five hundred three thousand, seven hundred seventy-one".