55280720593 has 24 divisors (see below), whose sum is σ = 66440481408. Its totient is φ = 45051422592.

The previous prime is 55280720531. The next prime is 55280720617. The reversal of 55280720593 is 39502708255.

It is not a de Polignac number, because 55280720593 - 2⁹ = 55280720081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55280720993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 573705 + ... + 663097.

It is an arithmetic number, because the mean of its divisors is an integer number (2768353392).

Almost surely, 2^55280720593 is an apocalyptic number.

It is an amenable number.

55280720593 is a deficient number, since it is larger than the sum of its proper divisors (11159760815).

55280720593 is a wasteful number, since it uses less digits than its factorization.

55280720593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89613 (or 89590 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 55280720593 in words is "fifty-five billion, two hundred eighty million, seven hundred twenty thousand, five hundred ninety-three".