54213405420 has 24 divisors (see below), whose sum is σ = 151797535344. Its totient is φ = 14456908096.

The previous prime is 54213405403. The next prime is 54213405431. The reversal of 54213405420 is 2450431245.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451778319 + ... + 451778438.

It is an arithmetic number, because the mean of its divisors is an integer number (6324897306).

Almost surely, 2^54213405420 is an apocalyptic number.

It is an amenable number.

54213405420 is an abundant number, since it is smaller than the sum of its proper divisors (97584129924).

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

54213405420 is a wasteful number, since it uses less digits than its factorization.

54213405420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903556769 (or 903556767 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 54213405420 its reverse (2450431245), we get a palindrome (56663836665).

The spelling of 54213405420 in words is "fifty-four billion, two hundred thirteen million, four hundred five thousand, four hundred twenty".