55000423250 has 32 divisors (see below), whose sum is σ = 107437359744. Its totient is φ = 21043638000.

The previous prime is 55000423249. The next prime is 55000423259. The reversal of 55000423250 is 5232400055.

It is not an unprimeable number, because it can be changed into a prime (55000423259) 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, 4776896 + ... + 4788395.

It is an arithmetic number, because the mean of its divisors is an integer number (3357417492).

Almost surely, 2^55000423250 is an apocalyptic number.

55000423250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55000423250 is a deficient number, since it is larger than the sum of its proper divisors (52436936494).

55000423250 is a wasteful number, since it uses less digits than its factorization.

55000423250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9565331 (or 9565321 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The spelling of 55000423250 in words is "fifty-five billion, four hundred twenty-three thousand, two hundred fifty".