54428571250 has 20 divisors (see below), whose sum is σ = 102020916294. Its totient is φ = 21771428000.

The previous prime is 54428571233. The next prime is 54428571257. The reversal of 54428571250 is 5217582445.

It can be written as a sum of positive squares in 5 ways, for example, as 8645838289 + 45782732961 = 92983^2 + 213969^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54428571197 and 54428571206.

It is not an unprimeable number, because it can be changed into a prime (54428571257) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21770179 + ... + 21772678.

Almost surely, 2^54428571250 is an apocalyptic number.

54428571250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54428571250 is a deficient number, since it is larger than the sum of its proper divisors (47592345044).

54428571250 is an equidigital number, since it uses as much as digits as its factorization.

54428571250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43542879 (or 43542864 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 43.

The spelling of 54428571250 in words is "fifty-four billion, four hundred twenty-eight million, five hundred seventy-one thousand, two hundred fifty".