54421432320 has 96 divisors (see below), whose sum is σ = 174106164960. Its totient is φ = 14512373760.

The previous prime is 54421432283. The next prime is 54421432321. The reversal of 54421432320 is 2323412445.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is not an unprimeable number, because it can be changed into a prime (54421432321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855046 + ... + 916485.

It is an arithmetic number, because the mean of its divisors is an integer number (1813605885).

Almost surely, 2^54421432320 is an apocalyptic number.

It is an amenable number.

54421432320 is an abundant number, since it is smaller than the sum of its proper divisors (119684732640).

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

54421432320 is a wasteful number, since it uses less digits than its factorization.

54421432320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771561 (or 1771541 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 54421432320 its reverse (2323412445), we get a palindrome (56744844765).

The spelling of 54421432320 in words is "fifty-four billion, four hundred twenty-one million, four hundred thirty-two thousand, three hundred twenty".