54120213530 has 32 divisors (see below), whose sum is σ = 97700560128. Its totient is φ = 21585009600.

The previous prime is 54120213517. The next prime is 54120213583. The reversal of 54120213530 is 3531202145.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 54120213530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7501625 + ... + 7508835.

It is an arithmetic number, because the mean of its divisors is an integer number (3053142504).

Almost surely, 2^54120213530 is an apocalyptic number.

54120213530 is a deficient number, since it is larger than the sum of its proper divisors (43580346598).

54120213530 is a wasteful number, since it uses less digits than its factorization.

54120213530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9302.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 54120213530 its reverse (3531202145), we get a palindrome (57651415675).

The spelling of 54120213530 in words is "fifty-four billion, one hundred twenty million, two hundred thirteen thousand, five hundred thirty".