55530000250 has 64 divisors (see below), whose sum is σ = 106885868544. Its totient is φ = 21589200000.

The previous prime is 55530000247. The next prime is 55530000271. The reversal of 55530000250 is 5200003555.

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 31 ways as a sum of consecutive naturals, for example, 2767755 + ... + 2787745.

It is an arithmetic number, because the mean of its divisors is an integer number (1670091696).

Almost surely, 2^55530000250 is an apocalyptic number.

55530000250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55530000250 is a deficient number, since it is larger than the sum of its proper divisors (51355868294).

55530000250 is a wasteful number, since it uses less digits than its factorization.

55530000250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20320 (or 20310 counting only the distinct ones).

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

The spelling of 55530000250 in words is "fifty-five billion, five hundred thirty million, two hundred fifty", and thus it is an aban number.