1955888071 has 4 divisors (see below), whose sum is σ = 1966815000. Its totient is φ = 1944961144.

The previous prime is 1955888047. The next prime is 1955888107. The reversal of 1955888071 is 1708885591.

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 1955888071 - 2¹⁵ = 1955855303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955888021) 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, 5463196 + ... + 5463553.

It is an arithmetic number, because the mean of its divisors is an integer number (491703750).

Almost surely, 2^1955888071 is an apocalyptic number.

1955888071 is a deficient number, since it is larger than the sum of its proper divisors (10926929).

1955888071 is a wasteful number, since it uses less digits than its factorization.

1955888071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10926928.

The product of its (nonzero) digits is 806400, while the sum is 52.

The square root of 1955888071 is about 44225.4233558029. The cubic root of 1955888071 is about 1250.5891773990.

The spelling of 1955888071 in words is "one billion, nine hundred fifty-five million, eight hundred eighty-eight thousand, seventy-one".