1950055554983 has 4 divisors (see below), whose sum is σ = 1962476291160. Its totient is φ = 1937634818808.

The previous prime is 1950055554959. The next prime is 1950055555061. The reversal of 1950055554983 is 3894555500591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1950055554983 - 2¹⁸ = 1950055292839 is a prime.

It is a super-2 number, since 2×1950055554983² (a number of 25 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 (1950055554383) 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, 6210367853 + ... + 6210368166.

It is an arithmetic number, because the mean of its divisors is an integer number (490619072790).

Almost surely, 2^{1950055554983} is an apocalyptic number.

1950055554983 is a deficient number, since it is larger than the sum of its proper divisors (12420736177).

1950055554983 is a wasteful number, since it uses less digits than its factorization.

1950055554983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12420736176.

The product of its (nonzero) digits is 24300000, while the sum is 59.

The spelling of 1950055554983 in words is "one trillion, nine hundred fifty billion, fifty-five million, five hundred fifty-four thousand, nine hundred eighty-three".