55250505027777 has 4 divisors (see below), whose sum is σ = 73667340037040. Its totient is φ = 36833670018516.

The previous prime is 55250505027713. The next prime is 55250505027787. The reversal of 55250505027777 is 77772050505255.

It is a happy number.

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 not a de Polignac number, because 55250505027777 - 2⁶ = 55250505027713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55250505027787) 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, 9208417504627 + ... + 9208417504632.

It is an arithmetic number, because the mean of its divisors is an integer number (18416835009260).

Almost surely, 2^{55250505027777} is an apocalyptic number.

It is an amenable number.

55250505027777 is a deficient number, since it is larger than the sum of its proper divisors (18416835009263).

55250505027777 is a wasteful number, since it uses less digits than its factorization.

55250505027777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18416835009262.

The product of its (nonzero) digits is 30012500, while the sum is 57.

The spelling of 55250505027777 in words is "fifty-five trillion, two hundred fifty billion, five hundred five million, twenty-seven thousand, seven hundred seventy-seven".