54280329565 has 32 divisors (see below), whose sum is σ = 81880231680. Its totient is φ = 33837059520.

The previous prime is 54280329553. The next prime is 54280329601. The reversal of 54280329565 is 56592308245.

54280329565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54280329565 - 2¹⁷ = 54280198493 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536010 + ... + 629179.

It is an arithmetic number, because the mean of its divisors is an integer number (2558757240).

Almost surely, 2^54280329565 is an apocalyptic number.

54280329565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54280329565 is a deficient number, since it is larger than the sum of its proper divisors (27599902115).

54280329565 is a wasteful number, since it uses less digits than its factorization.

54280329565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165234 (or 1165212 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 54280329565 in words is "fifty-four billion, two hundred eighty million, three hundred twenty-nine thousand, five hundred sixty-five".