1900506056 has 8 divisors (see below), whose sum is σ = 3563448870. Its totient is φ = 950253024.

The previous prime is 1900506043. The next prime is 1900506071. The reversal of 1900506056 is 6506050091.

It can be written as a sum of positive squares in only one way, i.e., 1851925156 + 48580900 = 43034^2 + 6970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1900506056² = 7223846537785350272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118781621 + ... + 118781636.

Almost surely, 2^1900506056 is an apocalyptic number.

It is an amenable number.

1900506056 is a deficient number, since it is larger than the sum of its proper divisors (1662942814).

1900506056 is a wasteful number, since it uses less digits than its factorization.

1900506056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237563263 (or 237563259 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 1900506056 is about 43594.7939093649. The cubic root of 1900506056 is about 1238.6722816056.

The spelling of 1900506056 in words is "one billion, nine hundred million, five hundred six thousand, fifty-six".