55777957103 has 8 divisors (see below), whose sum is σ = 60850434816. Its totient is φ = 50705771800.

The previous prime is 55777957097. The next prime is 55777957153. The reversal of 55777957103 is 30175977755.

It is a happy number.

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 55777957103 - 2⁸ = 55777956847 is a prime.

It is a super-2 number, since 2×55777957103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55777957153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577700 + ... + 667302.

It is an arithmetic number, because the mean of its divisors is an integer number (7606304352).

Almost surely, 2^55777957103 is an apocalyptic number.

55777957103 is a deficient number, since it is larger than the sum of its proper divisors (5072477713).

55777957103 is a wasteful number, since it uses less digits than its factorization.

55777957103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146205.

The product of its (nonzero) digits is 8103375, while the sum is 56.

The spelling of 55777957103 in words is "fifty-five billion, seven hundred seventy-seven million, nine hundred fifty-seven thousand, one hundred three".