55610550001 has 4 divisors (see below), whose sum is σ = 55765454400. Its totient is φ = 55455645604.

The previous prime is 55610549989. The next prime is 55610550011. The reversal of 55610550001 is 10005501655.

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 55610550001 - 2⁷ = 55610549873 is a prime.

It is a super-2 number, since 2×55610550001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55610550011) 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, 77451661 + ... + 77452378.

It is an arithmetic number, because the mean of its divisors is an integer number (13941363600).

Almost surely, 2^55610550001 is an apocalyptic number.

It is an amenable number.

55610550001 is a deficient number, since it is larger than the sum of its proper divisors (154904399).

55610550001 is a wasteful number, since it uses less digits than its factorization.

55610550001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154904398.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 55610550001 in words is "fifty-five billion, six hundred ten million, five hundred fifty thousand, one".