54213011520 has 112 divisors (see below), whose sum is σ = 172175302080. Its totient is φ = 14452688896.

The previous prime is 54213011449. The next prime is 54213011537. The reversal of 54213011520 is 2511031245.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4975999 + ... + 4986881.

Almost surely, 2^54213011520 is an apocalyptic number.

It is an amenable number.

54213011520 is an abundant number, since it is smaller than the sum of its proper divisors (117962290560).

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

54213011520 is a wasteful number, since it uses less digits than its factorization.

54213011520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16092 (or 16082 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 54213011520 its reverse (2511031245), we get a palindrome (56724042765).

The spelling of 54213011520 in words is "fifty-four billion, two hundred thirteen million, eleven thousand, five hundred twenty".