54221222050 has 24 divisors (see below), whose sum is σ = 106783914276. Its totient is φ = 20412695040.

The previous prime is 54221222039. The next prime is 54221222053. The reversal of 54221222050 is 5022212245.

54221222050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 26455998409 + 27765223641 = 162653^2 + 166629^2 .

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

It is not an unprimeable number, because it can be changed into a prime (54221222053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31893987 + ... + 31895686.

Almost surely, 2^54221222050 is an apocalyptic number.

54221222050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54221222050 is a deficient number, since it is larger than the sum of its proper divisors (52562692226).

54221222050 is a wasteful number, since it uses less digits than its factorization.

54221222050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63789702 (or 63789697 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 54221222050 its reverse (5022212245), we get a palindrome (59243434295).

The spelling of 54221222050 in words is "fifty-four billion, two hundred twenty-one million, two hundred twenty-two thousand, fifty".