255555550030 has 32 divisors (see below), whose sum is σ = 502664535648. Its totient is φ = 92772556800.

The previous prime is 255555550013. The next prime is 255555550031. The reversal of 255555550030 is 30055555552.

It is a happy number.

255555550030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×255555550030² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255555550031) 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, 1893651 + ... + 2024110.

It is an arithmetic number, because the mean of its divisors is an integer number (15708266739).

Almost surely, 2^255555550030 is an apocalyptic number.

255555550030 is a deficient number, since it is larger than the sum of its proper divisors (247108985618).

255555550030 is a wasteful number, since it uses less digits than its factorization.

255555550030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918372.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 255555550030 in words is "two hundred fifty-five billion, five hundred fifty-five million, five hundred fifty thousand, thirty".