54020442400 has 36 divisors (see below), whose sum is σ = 131877406962. Its totient is φ = 21608176640.

The previous prime is 54020442397. The next prime is 54020442467. The reversal of 54020442400 is 424402045.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 24660305296 + 29360137104 = 157036^2 + 171348^2 .

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 5 ways as a sum of consecutive naturals, for example, 33761977 + ... + 33763576.

Almost surely, 2^54020442400 is an apocalyptic number.

54020442400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54020442400 is an abundant number, since it is smaller than the sum of its proper divisors (77856964562).

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

54020442400 is a wasteful number, since it uses less digits than its factorization.

54020442400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67525573 (or 67525560 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 54020442400 its reverse (424402045), we get a palindrome (54444844445).

The spelling of 54020442400 in words is "fifty-four billion, twenty million, four hundred forty-two thousand, four hundred".