55000028055553 has 4 divisors (see below), whose sum is σ = 62857174920640. Its totient is φ = 47142881190468.

The previous prime is 55000028055521. The next prime is 55000028055563. The reversal of 55000028055553 is 35555082000055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55000028055553 - 2⁵ = 55000028055521 is a prime.

It is a super-2 number, since 2×55000028055553² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55000028055563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3928573432533 + ... + 3928573432546.

It is an arithmetic number, because the mean of its divisors is an integer number (15714293730160).

Almost surely, 2^{55000028055553} is an apocalyptic number.

It is an amenable number.

55000028055553 is a deficient number, since it is larger than the sum of its proper divisors (7857146865087).

55000028055553 is an equidigital number, since it uses as much as digits as its factorization.

55000028055553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857146865086.

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 55000028055553 in words is "fifty-five trillion, twenty-eight million, fifty-five thousand, five hundred fifty-three".