55605055501 has 4 divisors (see below), whose sum is σ = 55658574400. Its totient is φ = 55551536604.

The previous prime is 55605055487. The next prime is 55605055573. The reversal of 55605055501 is 10555050655.

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 a de Polignac number, because none of the positive numbers 2^k-55605055501 is a prime.

It is a super-2 number, since 2×55605055501² (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 (55605053501) 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, 26757891 + ... + 26759968.

It is an arithmetic number, because the mean of its divisors is an integer number (13914643600).

Almost surely, 2^55605055501 is an apocalyptic number.

It is an amenable number.

55605055501 is a deficient number, since it is larger than the sum of its proper divisors (53518899).

55605055501 is a wasteful number, since it uses less digits than its factorization.

55605055501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53518898.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 55605055501 in words is "fifty-five billion, six hundred five million, fifty-five thousand, five hundred one".