55495509501 has 8 divisors (see below), whose sum is σ = 74325825280. Its totient is φ = 36831100032.

The previous prime is 55495509499. The next prime is 55495509521. The reversal of 55495509501 is 10590559455.

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

It is not a de Polignac number, because 55495509501 - 2¹ = 55495509499 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55495509521) 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, 41475796 + ... + 41477133.

It is an arithmetic number, because the mean of its divisors is an integer number (9290728160).

Almost surely, 2^55495509501 is an apocalyptic number.

It is an amenable number.

55495509501 is a deficient number, since it is larger than the sum of its proper divisors (18830315779).

55495509501 is a wasteful number, since it uses less digits than its factorization.

55495509501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82953155.

The product of its (nonzero) digits is 1012500, while the sum is 48.

The spelling of 55495509501 in words is "fifty-five billion, four hundred ninety-five million, five hundred nine thousand, five hundred one".