55582723 has 4 divisors (see below), whose sum is σ = 63523120. Its totient is φ = 47642328.

The previous prime is 55582669. The next prime is 55582727. The reversal of 55582723 is 32728555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32728555 = 5 ⋅6545711.

It is a cyclic number.

It is not a de Polignac number, because 55582723 - 2¹⁷ = 55451651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55582727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970188 + ... + 3970201.

It is an arithmetic number, because the mean of its divisors is an integer number (15880780).

Almost surely, 2^55582723 is an apocalyptic number.

55582723 is a deficient number, since it is larger than the sum of its proper divisors (7940397).

55582723 is an equidigital number, since it uses as much as digits as its factorization.

55582723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7940396.

The product of its digits is 84000, while the sum is 37.

The square root of 55582723 is about 7455.3821498297. The cubic root of 55582723 is about 381.6336019698.

It can be divided in two parts, 5558 and 2723, that added together give a square (8281 = 91²).

The spelling of 55582723 in words is "fifty-five million, five hundred eighty-two thousand, seven hundred twenty-three".