55503027780277 has 8 divisors (see below), whose sum is σ = 69198580089792. Its totient is φ = 43249112556000.

The previous prime is 55503027780157. The next prime is 55503027780323. The reversal of 55503027780277 is 77208772030555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55503027780277 - 2⁷ = 55503027780149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55503027781277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360409271224 + ... + 360409271377.

It is an arithmetic number, because the mean of its divisors is an integer number (8649822511224).

Almost surely, 2^{55503027780277} is an apocalyptic number.

It is an amenable number.

55503027780277 is a deficient number, since it is larger than the sum of its proper divisors (13695552309515).

55503027780277 is a wasteful number, since it uses less digits than its factorization.

55503027780277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720818542619.

The product of its (nonzero) digits is 28812000, while the sum is 58.

The spelling of 55503027780277 in words is "fifty-five trillion, five hundred three billion, twenty-seven million, seven hundred eighty thousand, two hundred seventy-seven".