55006055501 has 4 divisors (see below), whose sum is σ = 55827041472. Its totient is φ = 54185069532.

The previous prime is 55006055471. The next prime is 55006055509. The reversal of 55006055501 is 10555060055.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55006055501 is a prime.

It is a super-2 number, since 2×55006055501² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55006055509) 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, 410492885 + ... + 410493018.

It is an arithmetic number, because the mean of its divisors is an integer number (13956760368).

Almost surely, 2^55006055501 is an apocalyptic number.

It is an amenable number.

55006055501 is a deficient number, since it is larger than the sum of its proper divisors (820985971).

55006055501 is an equidigital number, since it uses as much as digits as its factorization.

55006055501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820985970.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 55006055501 in words is "fifty-five billion, six million, fifty-five thousand, five hundred one".