55242556501 has 4 divisors (see below), whose sum is σ = 60264607104. Its totient is φ = 50220505900.

The previous prime is 55242556483. The next prime is 55242556513. The reversal of 55242556501 is 10565524255.

55242556501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 55242556501 - 2¹⁹ = 55242032213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55242556571) 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, 2511025285 + ... + 2511025306.

It is an arithmetic number, because the mean of its divisors is an integer number (15066151776).

Almost surely, 2^55242556501 is an apocalyptic number.

It is an amenable number.

55242556501 is a deficient number, since it is larger than the sum of its proper divisors (5022050603).

55242556501 is a wasteful number, since it uses less digits than its factorization.

55242556501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022050602.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 55242556501 in words is "fifty-five billion, two hundred forty-two million, five hundred fifty-six thousand, five hundred one".