55505016501 has 16 divisors (see below), whose sum is σ = 84244769280. Its totient is φ = 32176820720.

The previous prime is 55505016467. The next prime is 55505016527. The reversal of 55505016501 is 10561050555.

It is not a de Polignac number, because 55505016501 - 2¹⁰ = 55505015477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505016551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36563811 + ... + 36565328.

It is an arithmetic number, because the mean of its divisors is an integer number (5265298080).

Almost surely, 2^55505016501 is an apocalyptic number.

It is an amenable number.

55505016501 is a deficient number, since it is larger than the sum of its proper divisors (28739752779).

55505016501 is a wasteful number, since it uses less digits than its factorization.

55505016501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73129176.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 55505016501 in words is "fifty-five billion, five hundred five million, sixteen thousand, five hundred one".