1897095055 has 8 divisors (see below), whose sum is σ = 2283393744. Its totient is φ = 1513089600.

The previous prime is 1897095049. The next prime is 1897095073. The reversal of 1897095055 is 5505907981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1897095055 - 2⁵ = 1897095023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571486 + ... + 574795.

It is an arithmetic number, because the mean of its divisors is an integer number (285424218).

Almost surely, 2^1897095055 is an apocalyptic number.

1897095055 is a deficient number, since it is larger than the sum of its proper divisors (386298689).

1897095055 is a wasteful number, since it uses less digits than its factorization.

1897095055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146617.

The product of its (nonzero) digits is 567000, while the sum is 49.

The square root of 1897095055 is about 43555.6546845527. The cubic root of 1897095055 is about 1237.9307874081.

The spelling of 1897095055 in words is "one billion, eight hundred ninety-seven million, ninety-five thousand, fifty-five".