55728482755 has 8 divisors (see below), whose sum is σ = 72953650224. Its totient is φ = 40529805600.

The previous prime is 55728482683. The next prime is 55728482759.

55728482755 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55728482755 - 2¹³ = 55728474563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55728482755.

It is not an unprimeable number, because it can be changed into a prime (55728482759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506622516 + ... + 506622625.

It is an arithmetic number, because the mean of its divisors is an integer number (9119206278).

Almost surely, 2^55728482755 is an apocalyptic number.

55728482755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55728482755 is a deficient number, since it is larger than the sum of its proper divisors (17225167469).

55728482755 is a wasteful number, since it uses less digits than its factorization.

55728482755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013245157.

The product of its digits is 31360000, while the sum is 58.

The spelling of 55728482755 in words is "fifty-five billion, seven hundred twenty-eight million, four hundred eighty-two thousand, seven hundred fifty-five".