55525030505 has 32 divisors (see below), whose sum is σ = 82149272064. Its totient is φ = 35158496256.

The previous prime is 55525030501. The next prime is 55525030529. The reversal of 55525030505 is 50503052555.

It is a cyclic number.

It is not a de Polignac number, because 55525030505 - 2² = 55525030501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55525030501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 848837 + ... + 911906.

It is an arithmetic number, because the mean of its divisors is an integer number (2567164752).

Almost surely, 2^55525030505 is an apocalyptic number.

It is an amenable number.

55525030505 is a deficient number, since it is larger than the sum of its proper divisors (26624241559).

55525030505 is a wasteful number, since it uses less digits than its factorization.

55525030505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760825.

The product of its (nonzero) digits is 93750, while the sum is 35.

The spelling of 55525030505 in words is "fifty-five billion, five hundred twenty-five million, thirty thousand, five hundred five".