55077756718 has 4 divisors (see below), whose sum is σ = 82616635080. Its totient is φ = 27538878358.

The previous prime is 55077756707. The next prime is 55077756733. The reversal of 55077756718 is 81765777055.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13769439178 + ... + 13769439181.

It is an arithmetic number, because the mean of its divisors is an integer number (20654158770).

Almost surely, 2^55077756718 is an apocalyptic number.

55077756718 is a deficient number, since it is larger than the sum of its proper divisors (27538878362).

55077756718 is a wasteful number, since it uses less digits than its factorization.

55077756718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27538878361.

The product of its (nonzero) digits is 14406000, while the sum is 58.

The spelling of 55077756718 in words is "fifty-five billion, seventy-seven million, seven hundred fifty-six thousand, seven hundred eighteen".