55000255250 has 32 divisors (see below), whose sum is σ = 103085364096. Its totient is φ = 21973417200.

The previous prime is 55000255213. The next prime is 55000255279. The reversal of 55000255250 is 5255200055.

It is a happy number.

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, 73739 + ... + 339761.

It is an arithmetic number, because the mean of its divisors is an integer number (3221417628).

Almost surely, 2^55000255250 is an apocalyptic number.

55000255250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55000255250 is a deficient number, since it is larger than the sum of its proper divisors (48085108846).

55000255250 is a wasteful number, since it uses less digits than its factorization.

55000255250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266867 (or 266857 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The spelling of 55000255250 in words is "fifty-five billion, two hundred fifty-five thousand, two hundred fifty".