1550050500055 has 4 divisors (see below), whose sum is σ = 1860060600072. Its totient is φ = 1240040400040.

The previous prime is 1550050500049. The next prime is 1550050500079. The reversal of 1550050500055 is 5500050500551.

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

It is not a de Polignac number, because 1550050500055 - 2⁷ = 1550050499927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155005050001 + ... + 155005050010.

It is an arithmetic number, because the mean of its divisors is an integer number (465015150018).

Almost surely, 2^{1550050500055} is an apocalyptic number.

1550050500055 is a deficient number, since it is larger than the sum of its proper divisors (310010100017).

1550050500055 is an equidigital number, since it uses as much as digits as its factorization.

1550050500055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310010100016.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 1550050500055 in words is "one trillion, five hundred fifty billion, fifty million, five hundred thousand, fifty-five".