50550554999986 has 4 divisors (see below), whose sum is σ = 75825832499982. Its totient is φ = 25275277499992.

The previous prime is 50550554999983. The next prime is 50550555000019. The reversal of 50550554999986 is 68999945505505.

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., 48077845924761 + 2472709075225 = 6933819^2 + 1572485^2 .

It is a super-2 number, since 2×50550554999986² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50550554999983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12637638749995 + ... + 12637638749998.

Almost surely, 2^{50550554999986} is an apocalyptic number.

50550554999986 is a deficient number, since it is larger than the sum of its proper divisors (25275277499996).

50550554999986 is a wasteful number, since it uses less digits than its factorization.

50550554999986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25275277499995.

The product of its (nonzero) digits is 3936600000, while the sum is 79.

The spelling of 50550554999986 in words is "fifty trillion, five hundred fifty billion, five hundred fifty-four million, nine hundred ninety-nine thousand, nine hundred eighty-six".