255005250554 has 4 divisors (see below), whose sum is σ = 382507875834. Its totient is φ = 127502625276.

The previous prime is 255005250547. The next prime is 255005250581. The reversal of 255005250554 is 455052500552.

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., 247292371225 + 7712879329 = 497285^2 + 87823^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63751312637 + ... + 63751312640.

Almost surely, 2^255005250554 is an apocalyptic number.

255005250554 is a deficient number, since it is larger than the sum of its proper divisors (127502625280).

255005250554 is a wasteful number, since it uses less digits than its factorization.

255005250554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127502625279.

The product of its (nonzero) digits is 250000, while the sum is 38.

The spelling of 255005250554 in words is "two hundred fifty-five billion, five million, two hundred fifty thousand, five hundred fifty-four".