54145021532 has 24 divisors (see below), whose sum is σ = 112024184160. Its totient is φ = 22404836160.

The previous prime is 54145021523. The next prime is 54145021537. The reversal of 54145021532 is 23512054145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54145021537) 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, 33339719 + ... + 33341342.

It is an arithmetic number, because the mean of its divisors is an integer number (4667674340).

Almost surely, 2^54145021532 is an apocalyptic number.

It is an amenable number.

54145021532 is an abundant number, since it is smaller than the sum of its proper divisors (57879162628).

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

54145021532 is a wasteful number, since it uses less digits than its factorization.

54145021532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66681101 (or 66681099 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 54145021532 its reverse (23512054145), we get a palindrome (77657075677).

The spelling of 54145021532 in words is "fifty-four billion, one hundred forty-five million, twenty-one thousand, five hundred thirty-two".