61650050055001 has 32 divisors (see below), whose sum is σ = 65134238400000. Its totient is φ = 58190305402368.

The previous prime is 61650050054987. The next prime is 61650050055037. The reversal of 61650050055001 is 10055005005616.

It is a cyclic number.

It is not a de Polignac number, because 61650050055001 - 2³⁹ = 61100294241113 is a prime.

It is a super-2 number, since 2×61650050055001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61650050055071) 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, 22978027006 + ... + 22978029688.

It is an arithmetic number, because the mean of its divisors is an integer number (2035444950000).

Almost surely, 2^{61650050055001} is an apocalyptic number.

It is an amenable number.

61650050055001 is a deficient number, since it is larger than the sum of its proper divisors (3484188344999).

61650050055001 is a wasteful number, since it uses less digits than its factorization.

61650050055001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 61650050055001 in words is "sixty-one trillion, six hundred fifty billion, fifty million, fifty-five thousand, one".