1550056255 has 16 divisors (see below), whose sum is σ = 2030811264. Its totient is φ = 1126398880.

The previous prime is 1550056253. The next prime is 1550056297. The reversal of 1550056255 is 5526500551.

It is not a de Polignac number, because 1550056255 - 2¹ = 1550056253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1550056255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550056253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61104 + ... + 82666.

It is an arithmetic number, because the mean of its divisors is an integer number (126925704).

Almost surely, 2^1550056255 is an apocalyptic number.

1550056255 is a deficient number, since it is larger than the sum of its proper divisors (480755009).

1550056255 is a wasteful number, since it uses less digits than its factorization.

1550056255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22886.

The product of its (nonzero) digits is 37500, while the sum is 34.

The square root of 1550056255 is about 39370.7538027912. The cubic root of 1550056255 is about 1157.3085278685.

The spelling of 1550056255 in words is "one billion, five hundred fifty million, fifty-six thousand, two hundred fifty-five".