54503221420 has 24 divisors (see below), whose sum is σ = 114507215424. Its totient is φ = 21791678976.

The previous prime is 54503221397. The next prime is 54503221427. The reversal of 54503221420 is 2412230545.

It is a super-2 number, since 2×54503221420² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54503221427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554004 + ... + 644923.

It is an arithmetic number, because the mean of its divisors is an integer number (4771133976).

Almost surely, 2^54503221420 is an apocalyptic number.

It is an amenable number.

54503221420 is an abundant number, since it is smaller than the sum of its proper divisors (60003994004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54503221420 is a wasteful number, since it uses less digits than its factorization.

54503221420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201209 (or 1201207 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 54503221420 its reverse (2412230545), we get a palindrome (56915451965).

The spelling of 54503221420 in words is "fifty-four billion, five hundred three million, two hundred twenty-one thousand, four hundred twenty".