54205015340 has 48 divisors (see below), whose sum is σ = 134577979200. Its totient is φ = 17943727872.

The previous prime is 54205015339. The next prime is 54205015343. The reversal of 54205015340 is 4351050245.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (54205015343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6671435 + ... + 6679554.

It is an arithmetic number, because the mean of its divisors is an integer number (2803707900).

Almost surely, 2^54205015340 is an apocalyptic number.

It is an amenable number.

54205015340 is an abundant number, since it is smaller than the sum of its proper divisors (80372963860).

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

54205015340 is a wasteful number, since it uses less digits than its factorization.

54205015340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13351034 (or 13351032 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 54205015340 its reverse (4351050245), we get a palindrome (58556065585).

The spelling of 54205015340 in words is "fifty-four billion, two hundred five million, fifteen thousand, three hundred forty".