55500550501 has 8 divisors (see below), whose sum is σ = 61145522208. Its totient is φ = 49955490000.

The previous prime is 55500550477. The next prime is 55500550507. The reversal of 55500550501 is 10505500555.

55500550501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 55500550501 - 2⁷ = 55500550373 is a prime.

It is a super-2 number, since 2×55500550501² (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 (55500550507) 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, 24976635 + ... + 24978856.

It is an arithmetic number, because the mean of its divisors is an integer number (7643190276).

Almost surely, 2^55500550501 is an apocalyptic number.

It is an amenable number.

55500550501 is a deficient number, since it is larger than the sum of its proper divisors (5644971707).

55500550501 is a wasteful number, since it uses less digits than its factorization.

55500550501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49955603.

The product of its (nonzero) digits is 15625, while the sum is 31.

It can be divided in two parts, 555005 and 50501, that added together give a palindrome (605506).

The spelling of 55500550501 in words is "fifty-five billion, five hundred million, five hundred fifty thousand, five hundred one".