55682557178 has 4 divisors (see below), whose sum is σ = 83523835770. Its totient is φ = 27841278588.

The previous prime is 55682557121. The next prime is 55682557193. The reversal of 55682557178 is 87175528655.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 35458019809 + 20224537369 = 188303^2 + 142213^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13920639293 + ... + 13920639296.

Almost surely, 2^55682557178 is an apocalyptic number.

55682557178 is a deficient number, since it is larger than the sum of its proper divisors (27841278592).

55682557178 is a wasteful number, since it uses less digits than its factorization.

55682557178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27841278591.

The product of its digits is 23520000, while the sum is 59.

The spelling of 55682557178 in words is "fifty-five billion, six hundred eighty-two million, five hundred fifty-seven thousand, one hundred seventy-eight".