255500053000 has 64 divisors (see below), whose sum is σ = 598272480000. Its totient is φ = 102131243200.

The previous prime is 255500052991. The next prime is 255500053013. The reversal of 255500053000 is 350005552.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1413777 + ... + 1584223.

It is an arithmetic number, because the mean of its divisors is an integer number (9348007500).

Almost surely, 2^255500053000 is an apocalyptic number.

255500053000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255500053000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299136240000).

255500053000 is an abundant number, since it is smaller than the sum of its proper divisors (342772427000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255500053000 is a wasteful number, since it uses less digits than its factorization.

255500053000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171967 (or 171953 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

Adding to 255500053000 its reverse (350005552), we get a palindrome (255850058552).

The spelling of 255500053000 in words is "two hundred fifty-five billion, five hundred million, fifty-three thousand".