55650501001 has 4 divisors (see below), whose sum is σ = 55779024532. Its totient is φ = 55521977472.

The previous prime is 55650500953. The next prime is 55650501007. The reversal of 55650501001 is 10010505655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10010505655 = 5 ⋅2002101131.

It can be written as a sum of positive squares in 2 ways, for example, as 13824115776 + 41826385225 = 117576^2 + 204515^2 .

It is a cyclic number.

It is not a de Polignac number, because 55650501001 - 2⁹ = 55650500489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55650501007) 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, 64261116 + ... + 64261981.

It is an arithmetic number, because the mean of its divisors is an integer number (13944756133).

Almost surely, 2^55650501001 is an apocalyptic number.

It is an amenable number.

55650501001 is a deficient number, since it is larger than the sum of its proper divisors (128523531).

55650501001 is a wasteful number, since it uses less digits than its factorization.

55650501001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128523530.

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

The spelling of 55650501001 in words is "fifty-five billion, six hundred fifty million, five hundred one thousand, one".