3555561051 has 12 divisors (see below), whose sum is σ = 5869497712. Its totient is φ = 2031749136.

The previous prime is 3555561047. The next prime is 3555561071. The reversal of 3555561051 is 1501655553.

3555561051 is a `hidden beast` number, since 3 + 55 + 556 + 1 + 0 + 51 = 666.

It is not a de Polignac number, because 3555561051 - 2² = 3555561047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3555560997 and 3555561015.

It is not an unprimeable number, because it can be changed into a prime (3555561071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28218676 + ... + 28218801.

Almost surely, 2^3555561051 is an apocalyptic number.

3555561051 is a deficient number, since it is larger than the sum of its proper divisors (2313936661).

3555561051 is a wasteful number, since it uses less digits than its factorization.

3555561051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56437490 (or 56437487 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The square root of 3555561051 is about 59628.5254806791. The cubic root of 3555561051 is about 1526.2864430766.

The spelling of 3555561051 in words is "three billion, five hundred fifty-five million, five hundred sixty-one thousand, fifty-one".