55757877503 has 4 divisors (see below), whose sum is σ = 55759828080. Its totient is φ = 55755926928.

The previous prime is 55757877481. The next prime is 55757877521. The reversal of 55757877503 is 30577875755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55757877503 - 2⁸ = 55757877247 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 (55757877563) 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, 931763 + ... + 989796.

It is an arithmetic number, because the mean of its divisors is an integer number (13939957020).

Almost surely, 2^55757877503 is an apocalyptic number.

55757877503 is a deficient number, since it is larger than the sum of its proper divisors (1950577).

55757877503 is a wasteful number, since it uses less digits than its factorization.

55757877503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950576.

The product of its (nonzero) digits is 36015000, while the sum is 59.

The spelling of 55757877503 in words is "fifty-five billion, seven hundred fifty-seven million, eight hundred seventy-seven thousand, five hundred three".